fix test

Author: suthar26

devcycle_python_sdk/api/local_bucketing.py

@@ -319,13 +319,14 @@ def get_variable_for_user_protobuf(
             variable_addr = self.VariableForUserProtobuf(self.wasm_store, params_addr)
 
             if variable_addr == 0:
-                return None
+                return None, None
             else:
                 var_bytes = self._read_assembly_script_byte_array(variable_addr)
                 sdk_variable = pb2.SDKVariable_PB()
                 sdk_variable.ParseFromString(var_bytes)
+                feature_id = sdk_variable._feature.value if sdk_variable._feature.value is not None else None
 
-                return pb_utils.create_variable(sdk_variable, default_value), sdk_variable._feature.value
+                return pb_utils.create_variable(sdk_variable, default_value), feature_id
 
     def generate_bucketed_config(self, user: DevCycleUser) -> BucketedConfig:
         user_json = json.dumps(user.to_json())