Removed unnecessary trailing commas and spaces in various code.

docs/conf.py

@@ -284,7 +284,7 @@ man_pages = [(
     'Utility script for the Django Web framework',
     ['Django Software Foundation'],
     1
-), ]
+)]
 
 
 # -- Options for Texinfo output ------------------------------------------------

docs/ref/contrib/flatpages.txt

@@ -193,7 +193,7 @@ registering a custom ``ModelAdmin`` for ``FlatPage``::
         fieldsets = (
             (None, {'fields': ('url', 'title', 'content', 'sites')}),
             (_('Advanced options'), {
-                'classes': ('collapse', ),
+                'classes': ('collapse',),
                 'fields': (
                     'enable_comments',
                     'registration_required',

docs/ref/contrib/syndication.txt

@@ -1029,7 +1029,7 @@ attributes. Thus, you can subclass the appropriate feed generator class
 .. _georss: http://georss.org/
 .. _itunes podcast format: https://www.apple.com/itunes/podcasts/specs.html
 
-``SyndicationFeed.root_attributes(self, )``
+``SyndicationFeed.root_attributes(self)``
     Return a ``dict`` of attributes to add to the root feed element
     (``feed``/``channel``).
 

docs/topics/auth/customizing.txt

@@ -348,7 +348,7 @@ add it to a ``UserAdmin`` class which is registered with the
 
     # Define a new User admin
     class UserAdmin(BaseUserAdmin):
-        inlines = (EmployeeInline, )
+        inlines = (EmployeeInline,)
 
     # Re-register UserAdmin
     admin.site.unregister(User)