From 1da7da9fc16828486c3af90a18652c8a9f02f442 Mon Sep 17 00:00:00 2001
From: yanyongyu <42488585+yanyongyu@users.noreply.github.com>
Date: Thu, 27 Jan 2022 11:15:44 +0800
Subject: [PATCH] :bug: fix dict(config) raise error

---
 nonebot/config.py | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/nonebot/config.py b/nonebot/config.py
index d661a462..4fa4edf9 100644
--- a/nonebot/config.py
+++ b/nonebot/config.py
@@ -12,9 +12,18 @@ import os
 from pathlib import Path
 from datetime import timedelta
 from ipaddress import IPv4Address
-from typing import Any, Set, Dict, Tuple, Union, Mapping, Optional
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Set,
+    Dict,
+    Tuple,
+    Union,
+    Mapping,
+    Optional,
+)
 
-from pydantic import BaseSettings, IPvAnyAddress, validator
+from pydantic import BaseSettings, IPvAnyAddress
 from pydantic.env_settings import (
     SettingsError,
     EnvSettingsSource,
@@ -100,9 +109,10 @@ class CustomEnvSettings(EnvSettingsSource):
 
 
 class BaseConfig(BaseSettings):
-    # dummy getattr for pylance checking, actually not used
-    def __getattr__(self, name: str) -> Any:  # pragma: no cover
-        return self.__dict__.get(name)
+    if TYPE_CHECKING:
+        # dummy getattr for pylance checking, actually not used
+        def __getattr__(self, name: str) -> Any:  # pragma: no cover
+            return self.__dict__.get(name)
 
     class Config:
         @classmethod
@@ -149,8 +159,8 @@ class Config(BaseConfig):
     配置方法参考: [配置](https://v2.nonebot.dev/docs/tutorial/configuration)
     """
 
-    _env_file: str
-    _common_config: Dict[str, Any]
+    _env_file: str = ".env"
+    _common_config: Dict[str, Any] = {}
 
     # nonebot configs
     driver: str = "~fastapi"