Fixed all E261 warnings

13 files changed, 24 insertions, 24 deletions

diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index 84bbf1569f..b38d00c84a 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -226,7 +226,7 @@ class DatabaseOperations(BaseDatabaseOperations):
 
     def date_trunc_sql(self, lookup_type, field_name):
         fields = ['year', 'month', 'day', 'hour', 'minute', 'second']
-        format = ('%%Y-', '%%m', '-%%d', ' %%H:', '%%i', ':%%s') # Use double percents to escape.
+        format = ('%%Y-', '%%m', '-%%d', ' %%H:', '%%i', ':%%s')  # Use double percents to escape.
         format_def = ('0000-', '01', '-01', ' 00:', '00', ':00')
         try:
             i = fields.index(lookup_type) + 1
@@ -259,7 +259,7 @@ class DatabaseOperations(BaseDatabaseOperations):
         else:
             params = []
         fields = ['year', 'month', 'day', 'hour', 'minute', 'second']
-        format = ('%%Y-', '%%m', '-%%d', ' %%H:', '%%i', ':%%s') # Use double percents to escape.
+        format = ('%%Y-', '%%m', '-%%d', ' %%H:', '%%i', ':%%s')  # Use double percents to escape.
         format_def = ('0000-', '01', '-01', ' 00:', '00', ':00')
         try:
             i = fields.index(lookup_type) + 1
@@ -300,7 +300,7 @@ class DatabaseOperations(BaseDatabaseOperations):
 
     def quote_name(self, name):
         if name.startswith("`") and name.endswith("`"):
-            return name # Quoting once is enough.
+            return name  # Quoting once is enough.
         return "`%s`" % name
 
     def quote_parameter(self, value):
diff --git a/django/db/backends/oracle/creation.py b/django/db/backends/oracle/creation.py
index fc9a0d034f..6cb2f1467e 100644
--- a/django/db/backends/oracle/creation.py
+++ b/django/db/backends/oracle/creation.py
@@ -147,7 +147,7 @@ class DatabaseCreation(BaseDatabaseCreation):
         }
 
         cursor = self.connection.cursor()
-        time.sleep(1) # To avoid "database is being accessed by other users" errors.
+        time.sleep(1)  # To avoid "database is being accessed by other users" errors.
         if self._test_user_create():
             if verbosity >= 1:
                 print('Destroying test user...')
diff --git a/django/db/backends/oracle/introspection.py b/django/db/backends/oracle/introspection.py
index 9e6e29d5e3..43f61faf0a 100644
--- a/django/db/backends/oracle/introspection.py
+++ b/django/db/backends/oracle/introspection.py
@@ -52,8 +52,8 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
         cursor.execute("SELECT * FROM %s WHERE ROWNUM < 2" % self.connection.ops.quote_name(table_name))
         description = []
         for desc in cursor.description:
-            name = force_text(desc[0]) # cx_Oracle always returns a 'str' on both Python 2 and 3
-            name = name % {} # cx_Oracle, for some reason, doubles percent signs.
+            name = force_text(desc[0])  # cx_Oracle always returns a 'str' on both Python 2 and 3
+            name = name % {}  # cx_Oracle, for some reason, doubles percent signs.
             description.append(FieldInfo(*(name.lower(),) + desc[1:]))
         return description
 
diff --git a/django/db/backends/postgresql_psycopg2/introspection.py b/django/db/backends/postgresql_psycopg2/introspection.py
index 046af9af55..aef0bf08aa 100644
--- a/django/db/backends/postgresql_psycopg2/introspection.py
+++ b/django/db/backends/postgresql_psycopg2/introspection.py
@@ -16,7 +16,7 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
         700: 'FloatField',
         701: 'FloatField',
         869: 'GenericIPAddressField',
-        1042: 'CharField', # blank-padded
+        1042: 'CharField',  # blank-padded
         1043: 'CharField',
         1082: 'DateField',
         1083: 'TimeField',
diff --git a/django/db/backends/postgresql_psycopg2/operations.py b/django/db/backends/postgresql_psycopg2/operations.py
index 723453c9c5..b9496868b0 100644
--- a/django/db/backends/postgresql_psycopg2/operations.py
+++ b/django/db/backends/postgresql_psycopg2/operations.py
@@ -95,7 +95,7 @@ class DatabaseOperations(BaseDatabaseOperations):
 
     def quote_name(self, name):
         if name.startswith('"') and name.endswith('"'):
-            return name # Quoting once is enough.
+            return name  # Quoting once is enough.
         return '"%s"' % name
 
     def quote_parameter(self, value):
@@ -175,7 +175,7 @@ class DatabaseOperations(BaseDatabaseOperations):
                         style.SQL_KEYWORD('IS NOT'),
                         style.SQL_KEYWORD('FROM'),
                         style.SQL_TABLE(qn(model._meta.db_table))))
-                    break # Only one AutoField is allowed per model, so don't bother continuing.
+                    break  # Only one AutoField is allowed per model, so don't bother continuing.
             for f in model._meta.many_to_many:
                 if not f.rel.through:
                     output.append("%s setval(pg_get_serial_sequence('%s','%s'), coalesce(max(%s), 1), max(%s) %s null) %s %s;" %
diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py
index 5d07f68f73..6c9728889f 100644
--- a/django/db/backends/sqlite3/base.py
+++ b/django/db/backends/sqlite3/base.py
@@ -212,7 +212,7 @@ class DatabaseOperations(BaseDatabaseOperations):
 
     def quote_name(self, name):
         if name.startswith('"') and name.endswith('"'):
-            return name # Quoting once is enough.
+            return name  # Quoting once is enough.
         return '"%s"' % name
 
     def quote_parameter(self, value):
diff --git a/django/db/backends/sqlite3/introspection.py b/django/db/backends/sqlite3/introspection.py
index 6ebc572e0c..da8629ace6 100644
--- a/django/db/backends/sqlite3/introspection.py
+++ b/django/db/backends/sqlite3/introspection.py
@@ -157,7 +157,7 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
             # Skip indexes across multiple fields
             if len(info) != 1:
                 continue
-            name = info[0][2] # seqno, cid, name
+            name = info[0][2]  # seqno, cid, name
             indexes[name] = {'primary_key': indexes.get(name, {}).get("primary_key", False),
                              'unique': unique}
         return indexes
diff --git a/django/db/backends/utils.py b/django/db/backends/utils.py
index 095cb4efe4..8bed6415c3 100644
--- a/django/db/backends/utils.py
+++ b/django/db/backends/utils.py
@@ -112,21 +112,21 @@ class CursorDebugWrapper(CursorWrapper):
 ###############################################
 
 def typecast_date(s):
-    return datetime.date(*map(int, s.split('-'))) if s else None # returns None if s is null
+    return datetime.date(*map(int, s.split('-'))) if s else None  # returns None if s is null
 
 
-def typecast_time(s): # does NOT store time zone information
+def typecast_time(s):  # does NOT store time zone information
     if not s:
         return None
     hour, minutes, seconds = s.split(':')
-    if '.' in seconds: # check whether seconds have a fractional part
+    if '.' in seconds:  # check whether seconds have a fractional part
         seconds, microseconds = seconds.split('.')
     else:
         microseconds = '0'
     return datetime.time(int(hour), int(minutes), int(seconds), int(float('.' + microseconds) * 1000000))
 
 
-def typecast_timestamp(s): # does NOT store time zone information
+def typecast_timestamp(s):  # does NOT store time zone information
     # "2005-07-29 15:48:00.590358-05"
     # "2005-07-29 09:56:00-05"
     if not s:
@@ -147,7 +147,7 @@ def typecast_timestamp(s): # does NOT store time zone information
     dates = d.split('-')
     times = t.split(':')
     seconds = times[2]
-    if '.' in seconds: # check whether seconds have a fractional part
+    if '.' in seconds:  # check whether seconds have a fractional part
         seconds, microseconds = seconds.split('.')
     else:
         microseconds = '0'
diff --git a/django/db/models/__init__.py b/django/db/models/__init__.py
index cf219d39aa..13785ed17a 100644
--- a/django/db/models/__init__.py
+++ b/django/db/models/__init__.py
@@ -11,7 +11,7 @@ from django.db.models.base import Model  # NOQA
 from django.db.models.aggregates import *  # NOQA
 from django.db.models.fields import *  # NOQA
 from django.db.models.fields.subclassing import SubfieldBase        # NOQA
-from django.db.models.fields.files import FileField, ImageField # NOQA
+from django.db.models.fields.files import FileField, ImageField  # NOQA
 from django.db.models.fields.related import (  # NOQA
     ForeignKey, ForeignObject, OneToOneField, ManyToManyField,
     ManyToOneRel, ManyToManyRel, OneToOneRel)
diff --git a/django/db/models/base.py b/django/db/models/base.py
index 73df8633ca..ce3f095055 100644
--- a/django/db/models/base.py
+++ b/django/db/models/base.py
@@ -280,7 +280,7 @@ class ModelBase(type):
     def copy_managers(cls, base_managers):
         # This is in-place sorting of an Options attribute, but that's fine.
         base_managers.sort()
-        for _, mgr_name, manager in base_managers: # NOQA (redefinition of _)
+        for _, mgr_name, manager in base_managers:  # NOQA (redefinition of _)
             val = getattr(cls, mgr_name, None)
             if not val or val is manager:
                 new_manager = manager._copy_to_model(cls)
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 022de52134..dec2e2dd9e 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -93,7 +93,7 @@ class Field(object):
     # creates, creation_counter is used for all user-specified fields.
     creation_counter = 0
     auto_creation_counter = -1
-    default_validators = [] # Default set of validators
+    default_validators = []  # Default set of validators
     default_error_messages = {
         'invalid_choice': _('Value %(value)r is not a valid choice.'),
         'null': _('This field cannot be null.'),
diff --git a/django/db/models/query.py b/django/db/models/query.py
index ca49f67712..5bfa68b071 100644
--- a/django/db/models/query.py
+++ b/django/db/models/query.py
@@ -1627,16 +1627,16 @@ def prefetch_related_objects(result_cache, related_lookups):
     from a QuerySet
     """
     if len(result_cache) == 0:
-        return # nothing to do
+        return  # nothing to do
 
     # We need to be able to dynamically add to the list of prefetch_related
     # lookups that we look up (see below).  So we need some book keeping to
     # ensure we don't do duplicate work.
-    done_lookups = set() # list of lookups like foo__bar__baz
+    done_lookups = set()  # list of lookups like foo__bar__baz
     done_queries = {}    # dictionary of things like 'foo__bar': [results]
 
-    auto_lookups = [] # we add to this as we go through.
-    followed_descriptors = set() # recursion protection
+    auto_lookups = []  # we add to this as we go through.
+    followed_descriptors = set()  # recursion protection
 
     all_lookups = itertools.chain(related_lookups, auto_lookups)
     for lookup in all_lookups:
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 46a308f5ce..988b8bc644 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -146,7 +146,7 @@ class Query(object):
         # The _aggregates will be an OrderedDict when used. Due to the cost
         # of creating OrderedDict this attribute is created lazily (in
         # self.aggregates property).
-        self._aggregates = None # Maps alias -> SQL aggregate function
+        self._aggregates = None  # Maps alias -> SQL aggregate function
         self.aggregate_select_mask = None
         self._aggregate_select_cache = None