diff --git a/tiramisu_json_api/api.py b/tiramisu_json_api/api.py
index 0da6843..595846a 100644
--- a/tiramisu_json_api/api.py
+++ b/tiramisu_json_api/api.py
@@ -133,7 +133,7 @@ class TiramisuOptionProperty:
                 properties.append('frozen')
         else:
             properties = []
-        if self.config.get_hidden(self.path)
+        if self.config.get_hidden(self.path):
             properties.append('hidden')
         return properties
 
@@ -271,7 +271,7 @@ class TiramisuOptionValue(_Value):
 
 
 class _Option:
-    def list(self, 
+    def list(self,
              type='option'):
         if type not in ['all', 'option']:
             raise NotImplementedError()
@@ -539,7 +539,7 @@ class Config:
                 if len(schema_value) >= len_value:
                     new_value = schema_value[len_value - 1]
             value[-1] = new_value
-                
+
         self.updates_value('modify',
                            path,
                            index,
@@ -622,10 +622,10 @@ class Config:
             last_body = self.updates[-1]
             if last_body['name'] == path:
                 if index is None and not 'index' in last_body:
-                    last_action = last_body['action'] 
+                    last_action = last_body['action']
                     if last_action == action or \
                             last_action in ['delete', 'modify'] and action in ['delete', 'modify']:
-                        update_last_action = True                
+                        update_last_action = True
                 elif index == None and action == 'delete':
                     for update in reversed(self.updates):
                         if masterslaves == None and update['name'] == path or \