diff --git a/kallithea/lib/celerylib/tasks.py b/kallithea/lib/celerylib/tasks.py
--- a/kallithea/lib/celerylib/tasks.py
+++ b/kallithea/lib/celerylib/tasks.py
@@ -169,11 +169,11 @@ def get_commits_stats(repo_name, ts_min_
                 if k >= ts_min_y and k <= ts_max_y or skip_date_limit:
                     co_day_auth_aggr[akc(cs.author)] = {
                                         "label": akc(cs.author),
-                                        "data": [{"time":k,
-                                                 "commits":1,
-                                                 "added":len(cs.added),
-                                                 "changed":len(cs.changed),
-                                                 "removed":len(cs.removed),
+                                        "data": [{"time": k,
+                                                 "commits": 1,
+                                                 "added": len(cs.added),
+                                                 "changed": len(cs.changed),
+                                                 "removed": len(cs.removed),
                                                  }],
                                         "schema": ["commits"],
                                         }
diff --git a/kallithea/model/validators.py b/kallithea/model/validators.py
--- a/kallithea/model/validators.py
+++ b/kallithea/model/validators.py
@@ -268,7 +268,7 @@ def ValidPasswordsMatch(password_field, 
             if value.get(password_field) != value[password_confirmation_field]:
                 msg = self.message('password_mismatch', state)
                 raise formencode.Invalid(msg, value, state,
-                     error_dict={password_field:msg, password_confirmation_field: msg}
+                     error_dict={password_field: msg, password_confirmation_field: msg}
                 )
     return _validator