diff --git a/kolla_cli/common/service.py b/kolla_cli/common/service.py
index 58c0174..0d9097e 100644
--- a/kolla_cli/common/service.py
+++ b/kolla_cli/common/service.py
@@ -50,7 +50,7 @@ class Service(object):
             self._groupnames.remove(groupname)
 
     def set_groupnames(self, groupnames):
-            self._groupnames = groupnames
+        self._groupnames = groupnames
 
     def get_groupnames(self):
         return copy(self._groupnames)
diff --git a/kolla_cli/common/utils.py b/kolla_cli/common/utils.py
index 6c8ab63..a81bb40 100644
--- a/kolla_cli/common/utils.py
+++ b/kolla_cli/common/utils.py
@@ -554,21 +554,21 @@ class Lock(object):
         return os.path.join(get_kolla_cli_home(), 'ansible.lock')
 
     def acquire(self):
-            try:
-                if self.use_flock:
-                    return self._acquire_flock()
-                else:
-                    return self._acquire_pidfile()
-            except IOError as e:
-                # IOError is the error you get when the file is
-                # already locked. (No such file returns an OSError.)
-                # This may be OK and is handled by the caller.
-                LOG.debug('Exception in acquiring lock. '
-                          'path: %s pid: %s owner: %s error: %s' %
-                          (self.lockpath, self.pid, self.owner, str(e)))
-                return False
-            except Exception as e:
-                raise e
+        try:
+            if self.use_flock:
+                return self._acquire_flock()
+            else:
+                return self._acquire_pidfile()
+        except IOError as e:
+            # IOError is the error you get when the file is
+            # already locked. (No such file returns an OSError.)
+            # This may be OK and is handled by the caller.
+            LOG.debug('Exception in acquiring lock. '
+                      'path: %s pid: %s owner: %s error: %s' %
+                      (self.lockpath, self.pid, self.owner, str(e)))
+            return False
+        except Exception as e:
+            raise e
 
     def _acquire_pidfile(self):
         if not self.is_owned_by_me():
diff --git a/tools/kolla_actions.py b/tools/kolla_actions.py
index 76ddeea..adc9795 100755
--- a/tools/kolla_actions.py
+++ b/tools/kolla_actions.py
@@ -237,5 +237,6 @@ def main():
     else:
         raise Exception('Invalid command %s' % command)
 
+
 if __name__ == '__main__':
     main()
diff --git a/tools/log_collector.py b/tools/log_collector.py
index 508c218..d9833c2 100755
--- a/tools/log_collector.py
+++ b/tools/log_collector.py
@@ -112,5 +112,6 @@ def main():
 
     print('Log collection complete. Logs are at %s' % tar_path)
 
+
 if __name__ == '__main__':
     main()