Fix style-check errors

tests/ci/.mypy.ini

@@ -9,7 +9,8 @@ check_untyped_defs = True
 disallow_untyped_decorators = True
 no_implicit_optional = True
 warn_redundant_casts = True
-warn_unused_ignores = True
+# Unused ignores differs from version to version, so too many noizes
+warn_unused_ignores = False
 warn_return_any = True
 no_implicit_reexport = True
 strict_equality = True

tests/ci/cherry_pick.py

@@ -289,7 +289,9 @@ close it.
             "Checking if cherry-pick PR #%s needs to be pinged",
             self.cherrypick_pr.number,
         )
-        since_updated = datetime.now() - self.cherrypick_pr.updated_at
+        # The `updated_at` is Optional[datetime]
+        cherrypick_updated_at = self.cherrypick_pr.updated_at or datetime.now()
+        since_updated = datetime.now() - cherrypick_updated_at
         since_updated_str = (
             f"{since_updated.days}d{since_updated.seconds // 3600}"
             f"h{since_updated.seconds // 60 % 60}m{since_updated.seconds % 60}s"
@@ -298,7 +300,7 @@ close it.
             logging.info(
                 "The cherry-pick PR was updated at %s %s ago, "
                 "waiting for the next running",
-                self.cherrypick_pr.updated_at.isoformat(),
+                cherrypick_updated_at.isoformat(),
                 since_updated_str,
             )
             return

tests/ci/get_robot_token.py

@@ -1,16 +1,17 @@
 #!/usr/bin/env python3
 import logging
 from dataclasses import dataclass
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict, List, Optional, Union
 
 import boto3  # type: ignore
 from github import Github
 from github.AuthenticatedUser import AuthenticatedUser
+from github.NamedUser import NamedUser
 
 
 @dataclass
 class Token:
-    user: AuthenticatedUser
+    user: Union[AuthenticatedUser, NamedUser]
     value: str
     rest: int