Fixed #30367 -- Changed "pip install" to "python -m pip install" in docs, comments and hints.

docs/howto/deployment/wsgi/gunicorn.txt

@@ -12,7 +12,7 @@ dependencies and is easy to install and use.
 Installing Gunicorn
 ===================
 
-Installing gunicorn is as easy as ``pip install gunicorn``. For more
+Installing gunicorn is as easy as ``python -m pip install gunicorn``. For more
 details, see the `gunicorn documentation`_.
 
 .. _gunicorn documentation: https://docs.gunicorn.org/en/latest/install.html

docs/howto/deployment/wsgi/uwsgi.txt

@@ -27,10 +27,10 @@ command. For example:
 .. code-block:: console
 
     # Install current stable version.
-    $ pip install uwsgi
+    $ python -m pip install uwsgi
 
     # Or install LTS (long term support).
-    $ pip install https://projects.unbit.it/downloads/uwsgi-lts.tar.gz
+    $ python -m pip install https://projects.unbit.it/downloads/uwsgi-lts.tar.gz
 
 .. _installation procedures: https://uwsgi-docs.readthedocs.io/en/latest/Install.html
 

docs/howto/outputting-pdf.txt

@@ -26,7 +26,7 @@ You can install ReportLab with ``pip``:
 
 .. console::
 
-    $ pip install reportlab
+    $ python -m pip install reportlab
 
 Test your installation by importing it in the Python interactive interpreter::
 

docs/howto/upgrade-version.txt

@@ -93,7 +93,7 @@ If you installed Django with pip_, you can use the ``--upgrade`` or ``-U`` flag:
 
 .. console::
 
-   $ pip install -U Django
+   $ python -m pip install -U Django
 
 .. _pip: https://pip.pypa.io/
 .. _virtualenv: https://virtualenv.pypa.io/

docs/howto/windows.txt

@@ -50,7 +50,7 @@ each Django project you create. While not mandatory, this is considered a best
 practice and will save you time in the future when you're ready to deploy your
 project. Simply type::
 
-    pip install virtualenvwrapper-win
+    python -m pip install virtualenvwrapper-win
 
 Then create a virtual environment for your project::
 
@@ -73,7 +73,7 @@ Django can be installed easily using ``pip`` within your virtual environment.
 In the command prompt, ensure your virtual environment is active, and execute
 the following command::
 
-    pip install django
+    python -m pip install django
 
 This will download and install the latest Django release.
 
@@ -93,8 +93,8 @@ Common pitfalls
   than one Python version installed.
 
 * If you are connecting to the internet behind a proxy, there might be problem
-  in running the command ``pip install django``. Set the environment variables
-  for proxy configuration in the command prompt as follows::
+  in running the command ``python -m pip install django``. Set the environment
+  variables for proxy configuration in the command prompt as follows::
 
     set http_proxy=http://username:password@proxyserver:proxyport
     set https_proxy=https://username:password@proxyserver:proxyport