Update app.py

app.py

@@ -84,6 +84,8 @@ def main_page(request: Request):
     if oauth_info is None:
         return HTML_ROOT + LOGIN_BUTTON + HTML_AFTER
 
+    if len(oauth_info.access_token) > 70:
+        oauth_info.access_token = oauth_info.access_token[:50] + "..."
     oauth_info.access_token_expires_at = str(oauth_info.access_token_expires_at) # JSON complains about datetimes
     return HTML_ROOT + LOGOUT_BUTTON.format(oauth_info=json.dumps(asdict(oauth_info), indent=2)) + HTML_AFTER