Refs #28909 -- Simplified code using unpacking generalizations.

django/contrib/admin/options.py

@@ -507,7 +507,7 @@ class BaseModelAdmin(metaclass=forms.MediaDefiningClass):
         # Is it a valid relational lookup?
         return not {
             LOOKUP_SEP.join(relation_parts),
-            LOOKUP_SEP.join(relation_parts + [part]),
+            LOOKUP_SEP.join([*relation_parts, part]),
         }.isdisjoint(valid_lookups)
 
     def to_field_allowed(self, request, to_field):
@@ -737,8 +737,7 @@ class ModelAdmin(BaseModelAdmin):
                 "<path:object_id>/",
                 wrap(
                     RedirectView.as_view(
-                        pattern_name="%s:%s_%s_change"
-                        % ((self.admin_site.name,) + info)
+                        pattern_name="%s:%s_%s_change" % (self.admin_site.name, *info)
                     )
                 ),
             ),
@@ -1051,7 +1050,7 @@ class ModelAdmin(BaseModelAdmin):
         Return a list of choices for use in a form object.  Each choice is a
         tuple (name, description).
         """
-        choices = [] + default_choices
+        choices = [*default_choices]
         for func, name, description in self.get_actions(request).values():
             choice = (name, description % model_format_dict(self.opts))
             choices.append(choice)

django/contrib/admin/widgets.py

@@ -307,7 +307,7 @@ class RelatedFieldWidgetWrapper(forms.Widget):
 
     def get_related_url(self, info, action, *args):
         return reverse(
-            "admin:%s_%s_%s" % (info + (action,)),
+            "admin:%s_%s_%s" % (*info, action),
             current_app=self.admin_site.name,
             args=args,
         )
@@ -582,9 +582,7 @@ class AutocompleteMixin:
             js=(
                 "admin/js/vendor/jquery/jquery%s.js" % extra,
                 "admin/js/vendor/select2/select2.full%s.js" % extra,
-            )
-            + i18n_file
-            + (
+                *i18n_file,
                 "admin/js/jquery.init.js",
                 "admin/js/autocomplete.js",
             ),

django/contrib/auth/admin.py

@@ -104,7 +104,8 @@ class UserAdmin(admin.ModelAdmin):
                 self.admin_site.admin_view(self.user_change_password),
                 name="auth_user_password_change",
             ),
-        ] + super().get_urls()
+            *super().get_urls(),
+        ]
 
     def lookup_allowed(self, lookup, value, request):
         # Don't allow lookups involving passwords.

django/contrib/auth/models.py

@@ -80,7 +80,7 @@ class Permission(models.Model):
         return "%s | %s" % (self.content_type, self.name)
 
     def natural_key(self):
-        return (self.codename,) + self.content_type.natural_key()
+        return (self.codename, *self.content_type.natural_key())
 
     natural_key.dependencies = ["contenttypes.contenttype"]
 

django/contrib/auth/password_validation.py

@@ -185,7 +185,7 @@ class UserAttributeSimilarityValidator:
             if not value or not isinstance(value, str):
                 continue
             value_lower = value.lower()
-            value_parts = re.split(r"\W+", value_lower) + [value_lower]
+            value_parts = [*re.split(r"\W+", value_lower), value_lower]
             for value_part in value_parts:
                 if exceeds_maximum_length_ratio(
                     password, self.max_similarity, value_part

django/contrib/gis/db/backends/postgis/introspection.py

@@ -5,7 +5,8 @@ from django.db.backends.postgresql.introspection import DatabaseIntrospection
 class PostGISIntrospection(DatabaseIntrospection):
     postgis_oid_lookup = {}  # Populated when introspection is performed.
 
-    ignored_tables = DatabaseIntrospection.ignored_tables + [
+    ignored_tables = [
+        *DatabaseIntrospection.ignored_tables,
         "geography_columns",
         "geometry_columns",
         "raster_columns",

django/contrib/gis/db/backends/postgis/operations.py

@@ -360,7 +360,7 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
         minor, subminor).
         """
         version = self.postgis_lib_version()
-        return (version,) + get_version_tuple(version)
+        return (version, *get_version_tuple(version))
 
     def proj_version_tuple(self):
         """

django/contrib/gis/db/backends/spatialite/operations.py

@@ -196,7 +196,7 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
         minor, subminor).
         """
         version = self.spatialite_version()
-        return (version,) + get_version_tuple(version)
+        return (version, *get_version_tuple(version))
 
     def spatial_aggregate_name(self, agg_name):
         """

django/contrib/gis/db/models/lookups.py

@@ -284,7 +284,7 @@ class RelateLookup(GISLookup):
         elif not isinstance(pattern, str) or not self.pattern_regex.match(pattern):
             raise ValueError('Invalid intersection matrix pattern "%s".' % pattern)
         sql, params = super().process_rhs(compiler, connection)
-        return sql, params + [pattern]
+        return sql, [*params, pattern]
 
 
 @BaseSpatialField.register_lookup

django/contrib/messages/storage/cookie.py

@@ -149,7 +149,7 @@ class CookieStorage(BaseStorage):
 
             def compute_msg(some_serialized_msg):
                 return self._encode_parts(
-                    some_serialized_msg + [self.not_finished_json],
+                    [*some_serialized_msg, self.not_finished_json],
                     encode_empty=True,
                 )
 

django/contrib/postgres/fields/hstore.py

@@ -87,7 +87,7 @@ class KeyTransform(Transform):
 
     def as_sql(self, compiler, connection):
         lhs, params = compiler.compile(self.lhs)
-        return "(%s -> %%s)" % lhs, tuple(params) + (self.key_name,)
+        return "(%s -> %%s)" % lhs, (*params, self.key_name)
 
 
 class KeyTransformFactory:

django/contrib/postgres/search.py

@@ -211,7 +211,7 @@ class SearchQuery(SearchQueryCombinable, Func):
         expressions = (value,)
         self.config = SearchConfig.from_parameter(config)
         if self.config is not None:
-            expressions = (self.config,) + expressions
+            expressions = [self.config, *expressions]
         self.invert = invert
         super().__init__(*expressions, output_field=output_field)
 
@@ -258,16 +258,16 @@ class SearchRank(Func):
             vector = SearchVector(vector)
         if not hasattr(query, "resolve_expression"):
             query = SearchQuery(query)
-        expressions = (vector, query)
+        expressions = [vector, query]
         if weights is not None:
             if not hasattr(weights, "resolve_expression"):
                 weights = Value(weights)
             weights = Cast(weights, ArrayField(_Float4Field()))
-            expressions = (weights,) + expressions
+            expressions = [weights, *expressions]
         if normalization is not None:
             if not hasattr(normalization, "resolve_expression"):
                 normalization = Value(normalization)
-            expressions += (normalization,)
+            expressions.append(normalization)
         if cover_density:
             self.function = "ts_rank_cd"
         super().__init__(*expressions)
@@ -311,7 +311,7 @@ class SearchHeadline(Func):
         expressions = (expression, query)
         if config is not None:
             config = SearchConfig.from_parameter(config)
-            expressions = (config,) + expressions
+            expressions = (config, *expressions)
         super().__init__(*expressions)
 
     def as_sql(self, compiler, connection, function=None, template=None):

django/core/checks/urls.py

@@ -62,7 +62,7 @@ def _load_all_namespaces(resolver, parents=()):
     """
     url_patterns = getattr(resolver, "url_patterns", [])
     namespaces = [
-        ":".join(parents + (url.namespace,))
+        ":".join([*parents, url.namespace])
         for url in url_patterns
         if getattr(url, "namespace", None) is not None
     ]

django/core/management/commands/compilemessages.py

@@ -74,7 +74,7 @@ class Command(BaseCommand):
         ignore_patterns = set(options["ignore_patterns"])
         self.verbosity = options["verbosity"]
         if options["fuzzy"]:
-            self.program_options = self.program_options + ["-f"]
+            self.program_options = [*self.program_options, "-f"]
 
         if find_command(self.program) is None:
             raise CommandError(

django/core/management/commands/makemessages.py

@@ -498,7 +498,7 @@ class Command(BaseCommand):
             potfile = os.path.join(path, "%s.pot" % self.domain)
             if not os.path.exists(potfile):
                 continue
-            args = ["msguniq"] + self.msguniq_options + [potfile]
+            args = ["msguniq", *self.msguniq_options, potfile]
             msgs, errors, status = popen_wrapper(args)
             if errors:
                 if status != STATUS_OK:
@@ -702,7 +702,7 @@ class Command(BaseCommand):
         pofile = os.path.join(basedir, "%s.po" % self.domain)
 
         if os.path.exists(pofile):
-            args = ["msgmerge"] + self.msgmerge_options + [pofile, potfile]
+            args = ["msgmerge", *self.msgmerge_options, pofile, potfile]
             _, errors, status = popen_wrapper(args)
             if errors:
                 if status != STATUS_OK:
@@ -725,7 +725,7 @@ class Command(BaseCommand):
             fp.write(msgs)
 
         if self.no_obsolete:
-            args = ["msgattrib"] + self.msgattrib_options + ["-o", pofile, pofile]
+            args = ["msgattrib", *self.msgattrib_options, "-o", pofile, pofile]
             msgs, errors, status = popen_wrapper(args)
             if errors:
                 if status != STATUS_OK:

django/db/backends/mysql/introspection.py

@@ -11,15 +11,21 @@ from django.utils.datastructures import OrderedSet
 
 FieldInfo = namedtuple(
     "FieldInfo",
-    BaseFieldInfo._fields
-    + ("extra", "is_unsigned", "has_json_constraint", "comment", "data_type"),
+    [
+        *BaseFieldInfo._fields,
+        "extra",
+        "is_unsigned",
+        "has_json_constraint",
+        "comment",
+        "data_type",
+    ],
 )
 InfoLine = namedtuple(
     "InfoLine",
     "col_name data_type max_len num_prec num_scale extra column_default "
     "collation is_unsigned comment",
 )
-TableInfo = namedtuple("TableInfo", BaseTableInfo._fields + ("comment",))
+TableInfo = namedtuple("TableInfo", [*BaseTableInfo._fields, "comment"])
 
 
 class DatabaseIntrospection(BaseDatabaseIntrospection):

django/db/backends/oracle/introspection.py

@@ -8,9 +8,9 @@ from django.db.backends.base.introspection import FieldInfo as BaseFieldInfo
 from django.db.backends.base.introspection import TableInfo as BaseTableInfo
 
 FieldInfo = namedtuple(
-    "FieldInfo", BaseFieldInfo._fields + ("is_autofield", "is_json", "comment")
+    "FieldInfo", [*BaseFieldInfo._fields, "is_autofield", "is_json", "comment"]
 )
-TableInfo = namedtuple("TableInfo", BaseTableInfo._fields + ("comment",))
+TableInfo = namedtuple("TableInfo", [*BaseTableInfo._fields, "comment"])
 
 
 class DatabaseIntrospection(BaseDatabaseIntrospection):

django/db/backends/postgresql/introspection.py

@@ -5,8 +5,8 @@ from django.db.backends.base.introspection import FieldInfo as BaseFieldInfo
 from django.db.backends.base.introspection import TableInfo as BaseTableInfo
 from django.db.models import Index
 
-FieldInfo = namedtuple("FieldInfo", BaseFieldInfo._fields + ("is_autofield", "comment"))
-TableInfo = namedtuple("TableInfo", BaseTableInfo._fields + ("comment",))
+FieldInfo = namedtuple("FieldInfo", [*BaseFieldInfo._fields, "is_autofield", "comment"])
+TableInfo = namedtuple("TableInfo", [*BaseTableInfo._fields, "comment"])
 
 
 class DatabaseIntrospection(BaseDatabaseIntrospection):

django/db/backends/sqlite3/introspection.py

@@ -10,7 +10,7 @@ from django.db.models import Index
 from django.utils.regex_helper import _lazy_re_compile
 
 FieldInfo = namedtuple(
-    "FieldInfo", BaseFieldInfo._fields + ("pk", "has_json_constraint")
+    "FieldInfo", [*BaseFieldInfo._fields, "pk", "has_json_constraint"]
 )
 
 field_size_re = _lazy_re_compile(r"^\s*(?:var)?char\s*\(\s*(\d+)\s*\)\s*$")

django/db/backends/sqlite3/operations.py

@@ -375,7 +375,7 @@ class DatabaseOperations(BaseDatabaseOperations):
     def combine_duration_expression(self, connector, sub_expressions):
         if connector not in ["+", "-", "*", "/"]:
             raise DatabaseError("Invalid connector for timedelta: %s." % connector)
-        fn_params = ["'%s'" % connector] + sub_expressions
+        fn_params = ["'%s'" % connector, *sub_expressions]
         if len(fn_params) > 3:
             raise ValueError("Too many params for timedelta operations.")
         return "django_format_dtdelta(%s)" % ", ".join(fn_params)

django/db/migrations/autodetector.py

@@ -1233,7 +1233,7 @@ class MigrationAutodetector:
                 # Handle ForeignKey which can only have a single to_field.
                 remote_field_name = getattr(new_field.remote_field, "field_name", None)
                 if remote_field_name:
-                    to_field_rename_key = rename_key + (remote_field_name,)
+                    to_field_rename_key = (*rename_key, remote_field_name)
                     if to_field_rename_key in self.renamed_fields:
                         # Repoint both model and field name because to_field
                         # inclusion in ForeignKey.deconstruct() is based on
@@ -1249,14 +1249,14 @@ class MigrationAutodetector:
                     new_field.from_fields = tuple(
                         [
                             self.renamed_fields.get(
-                                from_rename_key + (from_field,), from_field
+                                (*from_rename_key, from_field), from_field
                             )
                             for from_field in from_fields
                         ]
                     )
                     new_field.to_fields = tuple(
                         [
-                            self.renamed_fields.get(rename_key + (to_field,), to_field)
+                            self.renamed_fields.get((*rename_key, to_field), to_field)
                             for to_field in new_field.to_fields
                         ]
                     )

django/db/migrations/operations/models.py

@@ -231,7 +231,7 @@ class CreateModel(ModelOperation):
                 return [
                     replace(
                         self,
-                        fields=self.fields + [(operation.name, operation.field)],
+                        fields=[*self.fields, (operation.name, operation.field)],
                     ),
                 ]
             elif isinstance(operation, AlterField):

django/db/models/aggregates.py

@@ -108,7 +108,7 @@ class Aggregate(Func):
 
     def get_source_expressions(self):
         source_expressions = super().get_source_expressions()
-        return source_expressions + [self.filter, self.order_by]
+        return [*source_expressions, self.filter, self.order_by]
 
     def set_source_expressions(self, exprs):
         *exprs, self.filter, self.order_by = exprs

django/db/models/base.py

@@ -250,7 +250,7 @@ class ModelBase(type):
 
         # Collect the parent links for multi-table inheritance.
         parent_links = {}
-        for base in reversed([new_class] + parents):
+        for base in reversed([new_class, *parents]):
             # Conceptually equivalent to `if base is Model`.
             if not hasattr(base, "_meta"):
                 continue

django/db/models/constraints.py

@@ -101,7 +101,7 @@ class BaseConstraint:
                 errors.append(
                     checks.Error(
                         "'constraints' refers to the joined field '%s'."
-                        % LOOKUP_SEP.join([field_name] + lookups),
+                        % LOOKUP_SEP.join([field_name, *lookups]),
                         obj=model,
                         id="models.E041",
                     )

django/db/models/expressions.py

@@ -1686,7 +1686,7 @@ class Case(SQLiteNumericMixin, Expression):
         return "<%s: %s>" % (self.__class__.__name__, self)
 
     def get_source_expressions(self):
-        return self.cases + [self.default]
+        return [*self.cases, self.default]
 
     def set_source_expressions(self, exprs):
         *self.cases, self.default = exprs

django/db/models/fields/__init__.py

@@ -1788,8 +1788,9 @@ class DecimalField(Field):
 
     @cached_property
     def validators(self):
-        return super().validators + [
-            validators.DecimalValidator(self.max_digits, self.decimal_places)
+        return [
+            *super().validators,
+            validators.DecimalValidator(self.max_digits, self.decimal_places),
         ]
 
     @cached_property

django/db/models/fields/json.py

@@ -235,7 +235,7 @@ class HasKeyLookup(PostgresOperatorLookup):
             compiler, connection
         ):
             sql_parts.append(template % (lhs_sql, "%s"))
-            params.extend(lhs_params + [rhs_json_path])
+            params.extend([*lhs_params, rhs_json_path])
         return self._combine_sql_parts(sql_parts), tuple(params)
 
     def as_mysql(self, compiler, connection):
@@ -379,7 +379,7 @@ class KeyTransform(Transform):
     def as_mysql(self, compiler, connection):
         lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
         json_path = compile_json_path(key_transforms)
-        return "JSON_EXTRACT(%s, %%s)" % lhs, tuple(params) + (json_path,)
+        return "JSON_EXTRACT(%s, %%s)" % lhs, (*params, json_path)
 
     def as_oracle(self, compiler, connection):
         lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
@@ -410,12 +410,12 @@ class KeyTransform(Transform):
         lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
         if len(key_transforms) > 1:
             sql = "(%s %s %%s)" % (lhs, self.postgres_nested_operator)
-            return sql, tuple(params) + (key_transforms,)
+            return sql, (*params, key_transforms)
         try:
             lookup = int(self.key_name)
         except ValueError:
             lookup = self.key_name
-        return "(%s %s %%s)" % (lhs, self.postgres_operator), tuple(params) + (lookup,)
+        return "(%s %s %%s)" % (lhs, self.postgres_operator), (*params, lookup)
 
     def as_sqlite(self, compiler, connection):
         lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
@@ -426,7 +426,7 @@ class KeyTransform(Transform):
         return (
             "(CASE WHEN JSON_TYPE(%s, %%s) IN (%s) "
             "THEN JSON_TYPE(%s, %%s) ELSE JSON_EXTRACT(%s, %%s) END)"
-        ) % (lhs, datatype_values, lhs, lhs), (tuple(params) + (json_path,)) * 3
+        ) % (lhs, datatype_values, lhs, lhs), (*params, json_path) * 3
 
 
 class KeyTextTransform(KeyTransform):
@@ -442,7 +442,7 @@ class KeyTextTransform(KeyTransform):
         else:
             lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
             json_path = compile_json_path(key_transforms)
-            return "(%s ->> %%s)" % lhs, tuple(params) + (json_path,)
+            return "(%s ->> %%s)" % lhs, (*params, json_path)
 
     @classmethod
     def from_lookup(cls, lookup):

django/db/models/fields/reverse_related.py

@@ -291,7 +291,7 @@ class ManyToOneRel(ForeignObjectRel):
 
     @property
     def identity(self):
-        return super().identity + (self.field_name,)
+        return (*super().identity, self.field_name)
 
     def get_related_field(self):
         """
@@ -382,7 +382,8 @@ class ManyToManyRel(ForeignObjectRel):
 
     @property
     def identity(self):
-        return super().identity + (
+        return (
+            *super().identity,
             self.through,
             make_hashable(self.through_fields),
             self.db_constraint,

django/db/models/indexes.py

@@ -176,7 +176,7 @@ class Index:
         ]
         # The length of the parts of the name is based on the default max
         # length of 30 characters.
-        hash_data = [table_name] + column_names_with_order + [self.suffix]
+        hash_data = [table_name, *column_names_with_order, self.suffix]
         self.name = "%s_%s_%s" % (
             table_name[:11],
             column_names[0][:7],

django/db/models/query.py

@@ -891,7 +891,7 @@ class QuerySet(AltersData):
         self._for_write = True
         connection = connections[self.db]
         max_batch_size = connection.ops.bulk_batch_size(
-            [opts.pk, opts.pk] + fields, objs
+            [opts.pk, opts.pk, *fields], objs
         )
         batch_size = min(batch_size, max_batch_size) if batch_size else max_batch_size
         requires_casting = connection.features.requires_casted_case_in_updates
@@ -1524,9 +1524,7 @@ class QuerySet(AltersData):
         # Clear limits and ordering so they can be reapplied
         clone.query.clear_ordering(force=True)
         clone.query.clear_limits()
-        clone.query.combined_queries = (self.query,) + tuple(
-            qs.query for qs in other_qs
-        )
+        clone.query.combined_queries = (self.query, *(qs.query for qs in other_qs))
         clone.query.combinator = combinator
         clone.query.combinator_all = all
         return clone

django/db/models/sql/compiler.py

@@ -1452,7 +1452,7 @@ class SQLCompiler:
                     field = klass_info["field"]
                     if klass_info["reverse"]:
                         field = field.remote_field
-                    path = parent_path + [field.name]
+                    path = [*parent_path, field.name]
                     yield LOOKUP_SEP.join(path)
                 queue.extend(
                     (path, klass_info)
@@ -1905,7 +1905,7 @@ class SQLInsertCompiler(SQLCompiler):
             if on_conflict_suffix_sql:
                 result.append(on_conflict_suffix_sql)
             return [
-                (" ".join(result + ["VALUES (%s)" % ", ".join(p)]), vals)
+                (" ".join([*result, "VALUES (%s)" % ", ".join(p)]), vals)
                 for p, vals in zip(placeholder_rows, param_rows)
             ]
 

django/forms/models.py

@@ -895,7 +895,7 @@ class BaseModelFormSet(BaseFormSet, AltersData):
                     # object
                     else:
                         date_data = (getattr(form.cleaned_data[unique_for], lookup),)
-                    data = (form.cleaned_data[field],) + date_data
+                    data = (form.cleaned_data[field], *date_data)
                     # if we've already seen it then we have a uniqueness failure
                     if data in seen_data:
                         # poke error messages into the right places and mark

django/http/multipartparser.py

@@ -107,7 +107,7 @@ class MultiPartParser:
         # For compatibility with low-level network APIs (with 32-bit integers),
         # the chunk size should be < 2^31, but still divisible by 4.
         possible_sizes = [x.chunk_size for x in upload_handlers if x.chunk_size]
-        self._chunk_size = min([2**31 - 4] + possible_sizes)
+        self._chunk_size = min([2**31 - 4, *possible_sizes])
 
         self._meta = META
         self._encoding = encoding or settings.DEFAULT_CHARSET

django/template/library.py

@@ -304,7 +304,7 @@ class TagHelperNode(Node):
     def get_resolved_arguments(self, context):
         resolved_args = [var.resolve(context) for var in self.args]
         if self.takes_context:
-            resolved_args = [context] + resolved_args
+            resolved_args = [context, *resolved_args]
         resolved_kwargs = {k: v.resolve(context) for k, v in self.kwargs.items()}
         return resolved_args, resolved_kwargs
 

django/template/response.py

@@ -145,7 +145,7 @@ class SimpleTemplateResponse(HttpResponse):
 
 
 class TemplateResponse(SimpleTemplateResponse):
-    rendering_attrs = SimpleTemplateResponse.rendering_attrs + ["_request"]
+    rendering_attrs = [*SimpleTemplateResponse.rendering_attrs, "_request"]
 
     def __init__(
         self,

django/urls/resolvers.py

@@ -71,7 +71,7 @@ class ResolverMatch:
             self._func_path = func.__module__ + "." + func.__name__
 
         view_path = url_name or self._func_path
-        self.view_name = ":".join(self.namespaces + [view_path])
+        self.view_name = ":".join([*self.namespaces, view_path])
 
     def __getitem__(self, index):
         return (self.func, self.args, self.kwargs)[index]
@@ -691,8 +691,8 @@ class URLResolver:
                             sub_match_args,
                             sub_match_dict,
                             sub_match.url_name,
-                            [self.app_name] + sub_match.app_names,
-                            [self.namespace] + sub_match.namespaces,
+                            [self.app_name, *sub_match.app_names],
+                            [self.namespace, *sub_match.namespaces],
                             self._join_route(current_route, sub_match.route),
                             tried,
                             captured_kwargs=sub_match.captured_kwargs,

django/utils/autoreload.py

@@ -193,7 +193,7 @@ def common_roots(paths):
     # Turn the tree into a list of Path instances.
     def _walk(node, path):
         for prefix, child in node.items():
-            yield from _walk(child, path + (prefix,))
+            yield from _walk(child, [*path, prefix])
         if not node:
             yield Path(*path)
 

django/utils/functional.py

@@ -96,7 +96,7 @@ def lazy(func, *resultclasses):
         def __reduce__(self):
             return (
                 _lazy_proxy_unpickle,
-                (func, self._args, self._kw) + resultclasses,
+                (func, self._args, self._kw, *resultclasses),
             )
 
         def __deepcopy__(self, memo):

scripts/manage_translations.py

@@ -235,13 +235,13 @@ def fetch(resources=None, languages=None):
         ]
         # Transifex pull
         if languages is None:
-            run(cmd + ["--all"])
+            run([*cmd, "--all"])
             target_langs = sorted(
                 d for d in os.listdir(dir_) if not d.startswith("_") and d != "en"
             )
         else:
             for lang in languages:
-                run(cmd + ["-l", lang])
+                run([*cmd, "-l", lang])
             target_langs = languages
 
         target_langs = [LANG_OVERRIDES.get(d, d) for d in target_langs]