try to make pylint happy

dav_base/config/modules.py

@@ -13,7 +13,7 @@ class ModuleConfigError(Exception):
     pass
 
 
-class ModuleMeta(object):
+class ModuleMeta:
     _json_file = 'module.json'
     _root_url_name = 'root'
 
@@ -73,7 +73,7 @@ class ModuleMeta(object):
         return d
 
 
-class ModuleConfig(object):
+class ModuleConfig:
     _lazy_load = True
 
     def __init__(self, config_file_path=None, django_base_dir=None):
@@ -83,7 +83,7 @@ class ModuleConfig(object):
             config_file_path = os.path.join(django_base_dir, DJANGO_MAIN_MODULE, MODULE_CONFIG_FILE_NAME)
         self._config_file_path = config_file_path
 
-        self._modules = dict()
+        self._modules = {}
 
         self._loaded = False
         if not self._lazy_load:
@@ -96,13 +96,13 @@ class ModuleConfig(object):
     def _load(self):
         path = self._config_file_path
 
-        self._modules = dict()
+        self._modules = {}
 
         if os.path.exists(path):
-            with open(path, 'r') as f:
+            with open(path, 'r', encoding='ascii') as f:
                 data = json.load(f)
         else:
-            data = dict()
+            data = {}
 
         if 'modules' in data:
             for meta_dict in data['modules']:
@@ -131,5 +131,5 @@ class ModuleConfig(object):
         for meta_obj in self._modules.values():
             data['modules'].append(meta_obj.dump_as_dict())
 
-        with open(path, 'w') as f:
+        with open(path, 'w', encoding='ascii') as f:
             json.dump(data, f, indent=4)