Removed unnecessary arguments in .get method calls

4 files changed, 13 insertions, 13 deletions

diff --git a/django/db/migrations/autodetector.py b/django/db/migrations/autodetector.py
index a73985d724..ad6aeda380 100644
--- a/django/db/migrations/autodetector.py
+++ b/django/db/migrations/autodetector.py
@@ -591,7 +591,7 @@ class MigrationAutodetector(object):
         added = set(self.new_proxy_keys) - set(self.old_proxy_keys)
         for app_label, model_name in sorted(added):
             model_state = self.to_state.models[app_label, model_name]
-            assert model_state.options.get("proxy", False)
+            assert model_state.options.get("proxy")
             # Depend on the deletion of any possible non-proxy version of us
             dependencies = [
                 (app_label, model_name, None, False),
@@ -695,7 +695,7 @@ class MigrationAutodetector(object):
             for name, field in sorted(related_fields.items()):
                 dependencies.append((app_label, model_name, name, False))
             # We're referenced in another field's through=
-            through_user = self.through_users.get((app_label, model_state.name_lower), None)
+            through_user = self.through_users.get((app_label, model_state.name_lower))
             if through_user:
                 dependencies.append((through_user[0], through_user[1], through_user[2], False))
             # Finally, make the operation, deduping any dependencies
@@ -714,7 +714,7 @@ class MigrationAutodetector(object):
         deleted = set(self.old_proxy_keys) - set(self.new_proxy_keys)
         for app_label, model_name in sorted(deleted):
             model_state = self.from_state.models[app_label, model_name]
-            assert model_state.options.get("proxy", False)
+            assert model_state.options.get("proxy")
             self.add_operation(
                 app_label,
                 operations.DeleteModel(
@@ -980,12 +980,12 @@ class MigrationAutodetector(object):
             old_model_name = self.renamed_models.get((app_label, model_name), model_name)
             old_model_state = self.from_state.models[app_label, old_model_name]
             new_model_state = self.to_state.models[app_label, model_name]
-            if (old_model_state.options.get("order_with_respect_to", None) !=
-                    new_model_state.options.get("order_with_respect_to", None)):
+            if (old_model_state.options.get("order_with_respect_to") !=
+                    new_model_state.options.get("order_with_respect_to")):
                 # Make sure it comes second if we're adding
                 # (removal dependency is part of RemoveField)
                 dependencies = []
-                if new_model_state.options.get("order_with_respect_to", None):
+                if new_model_state.options.get("order_with_respect_to"):
                     dependencies.append((
                         app_label,
                         model_name,
@@ -997,7 +997,7 @@ class MigrationAutodetector(object):
                     app_label,
                     operations.AlterOrderWithRespectTo(
                         name=model_name,
-                        order_with_respect_to=new_model_state.options.get('order_with_respect_to', None),
+                        order_with_respect_to=new_model_state.options.get('order_with_respect_to'),
                     ),
                     dependencies=dependencies,
                 )
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 98594b6127..78e74b7850 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -1739,7 +1739,7 @@ class FilePathField(Field):
             kwargs['allow_files'] = self.allow_files
         if self.allow_folders is not False:
             kwargs['allow_folders'] = self.allow_folders
-        if kwargs.get("max_length", None) == 100:
+        if kwargs.get("max_length") == 100:
             del kwargs["max_length"]
         return name, path, args, kwargs
 
@@ -1955,7 +1955,7 @@ class GenericIPAddressField(Field):
             kwargs['unpack_ipv4'] = self.unpack_ipv4
         if self.protocol != "both":
             kwargs['protocol'] = self.protocol
-        if kwargs.get("max_length", None) == 39:
+        if kwargs.get("max_length") == 39:
             del kwargs['max_length']
         return name, path, args, kwargs
 
@@ -2099,7 +2099,7 @@ class SlugField(CharField):
 
     def deconstruct(self):
         name, path, args, kwargs = super(SlugField, self).deconstruct()
-        if kwargs.get("max_length", None) == 50:
+        if kwargs.get("max_length") == 50:
             del kwargs['max_length']
         if self.db_index is False:
             kwargs['db_index'] = False
@@ -2288,7 +2288,7 @@ class URLField(CharField):
 
     def deconstruct(self):
         name, path, args, kwargs = super(URLField, self).deconstruct()
-        if kwargs.get("max_length", None) == 200:
+        if kwargs.get("max_length") == 200:
             del kwargs['max_length']
         return name, path, args, kwargs
 
diff --git a/django/db/models/fields/files.py b/django/db/models/fields/files.py
index 2363088a6e..3f4c7064e4 100644
--- a/django/db/models/fields/files.py
+++ b/django/db/models/fields/files.py
@@ -282,7 +282,7 @@ class FileField(Field):
 
     def deconstruct(self):
         name, path, args, kwargs = super(FileField, self).deconstruct()
-        if kwargs.get("max_length", None) == 100:
+        if kwargs.get("max_length") == 100:
             del kwargs["max_length"]
         kwargs['upload_to'] = self.upload_to
         if self.storage is not default_storage:
diff --git a/django/db/models/query.py b/django/db/models/query.py
index 5f455b12be..050994811a 100644
--- a/django/db/models/query.py
+++ b/django/db/models/query.py
@@ -1216,7 +1216,7 @@ class RawQuerySet(object):
                 model_cls = deferred_class_factory(self.model, skip)
             else:
                 model_cls = self.model
-            fields = [self.model_fields.get(c, None) for c in self.columns]
+            fields = [self.model_fields.get(c) for c in self.columns]
             converters = compiler.get_converters([
                 f.get_col(f.model._meta.db_table) if f else None for f in fields
             ])