refactor: clean up code by adding missing commas and improving import order

app/services/oauth_providers/github.py

@@ -1,4 +1,5 @@
-from typing import Dict, Any
+from typing import Any
+
 from .base import OAuthProvider
 
 
@@ -13,7 +14,7 @@ class GitHubOAuthProvider(OAuthProvider):
     def display_name(self) -> str:
         return "GitHub"
 
-    def get_client_config(self) -> Dict[str, Any]:
+    def get_client_config(self) -> dict[str, Any]:
         """Return GitHub OAuth client configuration."""
         return {
             "access_token_url": "https://github.com/login/oauth/access_token",
@@ -22,7 +23,7 @@ class GitHubOAuthProvider(OAuthProvider):
             "client_kwargs": {"scope": "user:email"},
         }
 
-    def get_user_info(self, token: Dict[str, Any]) -> Dict[str, Any]:
+    def get_user_info(self, token: dict[str, Any]) -> dict[str, Any]:
         """Extract user information from GitHub OAuth token response."""
         client = self.get_client()