Removed "is not None"

https://stackoverflow.com/users/566644/lauritz-v-thaulow

freqtrade\configuration\configuration.py:461 reduced checks

freqtrade\persistence\trade_model.py:fee_updated - reduced code

freqtrade/resolvers/iresolver.py

@@ -210,8 +210,8 @@ class IResolver:
             for obj in cls._get_valid_object(module_path, object_name=None,
                                              enum_failed=enum_failed):
                 objects.append(
-                    {'name': obj[0].__name__ if obj is not None else '',
-                     'class': obj[0] if obj is not None else None,
+                    {'name': obj[0].__name__ if obj else '',
+                     'class': obj[0] if obj else None,
                      'location': entry,
                      })
         return objects