Fixed hanging indentation in various code.

tests/expressions/models.py

@@ -22,12 +22,14 @@ class Company(models.Model):
     ceo = models.ForeignKey(
         Employee,
         models.CASCADE,
-        related_name='company_ceo_set')
+        related_name='company_ceo_set',
+    )
     point_of_contact = models.ForeignKey(
         Employee,
         models.SET_NULL,
         related_name='company_point_of_contact_set',
-        null=True)
+        null=True,
+    )
 
     def __str__(self):
         return self.name