add reuirements

core/config.py

@@ -2,6 +2,7 @@ import os
 from pathlib import Path
 from typing import Optional, List, Union
 
+import pydantic
 import yaml
 from pydantic import BaseModel
 
@@ -109,7 +110,7 @@ class CorsConfig(BaseModel):
     allow_methods: Optional[List[str]] = ['*']
 
 
-class CoreConfig(BaseModel):
+class CoreConfig(pydantic.BaseModel):
     cors: Optional[CorsConfig]
     server: Optional[ServerConfig]
     auth: Optional[AuthConfig]