PEP 8 whitespace cleanup. (#20783)

* PEP 8 E271 whitespace cleanup.
* PEP 8 W293 whitespace cleanup.
* Fix whitespace issue from recent PR.

lib/ansible/modules/system/group.py

@@ -302,7 +302,7 @@ class DarwinGroup(Group):
             (rc, out, err) = self.execute_command(cmd)
             return (rc, out, err)
         return (None, '', '')
-    
+
     def get_lowest_available_system_gid(self):
         # check for lowest available system gid (< 500)
         try:

lib/ansible/modules/system/locale_gen.py

@@ -154,14 +154,14 @@ def apply_change(targetState, name):
     else:
         # Delete locale.
         set_locale(name, enabled=False)
-    
+
     localeGenExitValue = call("locale-gen")
     if localeGenExitValue!=0:
         raise EnvironmentError(localeGenExitValue, "locale.gen failed to execute, it returned "+str(localeGenExitValue))
 
 def apply_change_ubuntu(targetState, name):
     """Create or remove locale.
-    
+
     Keyword arguments:
     targetState -- Desired state, either present or absent.
     name -- Name including encoding such as de_CH.UTF-8.
@@ -188,7 +188,7 @@ def apply_change_ubuntu(targetState, name):
         # Purge locales and regenerate.
         # Please provide a patch if you know how to avoid regenerating the locales to keep!
         localeGenExitValue = call(["locale-gen", "--purge"])
-    
+
     if localeGenExitValue!=0:
         raise EnvironmentError(localeGenExitValue, "locale.gen failed to execute, it returned "+str(localeGenExitValue))
 
@@ -227,7 +227,7 @@ def main():
     else:
         prev_state = "absent"
     changed = (prev_state!=state)
-    
+
     if module.check_mode:
         module.exit_json(changed=changed)
     else:

lib/ansible/modules/system/pam_limits.py

@@ -272,7 +272,7 @@ def main():
         nf.close()
     except:
         pass
-   
+
     res_args = dict(
         changed = changed, msg = message
     )

lib/ansible/modules/system/sysctl.py

@@ -279,7 +279,7 @@ class SysctlModule(object):
             sysctl_args = [self.sysctl_cmd, '-p', self.sysctl_file]
             if self.args['ignoreerrors']:
                 sysctl_args.insert(1, '-e')
-            
+
             rc,out,err = self.module.run_command(sysctl_args)
 
         if rc != 0: