Fix typing (#7083)

Co-authored-by: openhands <openhands@all-hands.dev>

openhands/runtime/impl/e2b/e2b_runtime.py

@@ -1,4 +1,4 @@
-from typing import Callable, Optional
+from typing import Callable
 
 from openhands.core.config import AppConfig
 from openhands.events.action import (
@@ -27,7 +27,7 @@ class E2BRuntime(Runtime):
         sid: str = 'default',
         plugins: list[PluginRequirement] | None = None,
         sandbox: E2BSandbox | None = None,
-        status_callback: Optional[Callable] = None,
+        status_callback: Callable | None = None,
     ):
         super().__init__(
             config,

openhands/runtime/impl/local/local_runtime.py

@@ -7,7 +7,7 @@ import shutil
 import subprocess
 import tempfile
 import threading
-from typing import Callable, Optional
+from typing import Callable
 
 import requests
 import tenacity
@@ -155,7 +155,7 @@ class LocalRuntime(ActionExecutionClient):
 
         self.api_url = f'{self.config.sandbox.local_runtime_url}:{self._host_port}'
         self.status_callback = status_callback
-        self.server_process: Optional[subprocess.Popen[str]] = None
+        self.server_process: subprocess.Popen[str] | None = None
         self.action_semaphore = threading.Semaphore(1)  # Ensure one action at a time
 
         # Update env vars

openhands/runtime/impl/remote/remote_runtime.py

@@ -1,5 +1,5 @@
 import os
-from typing import Callable, Optional
+from typing import Callable
 from urllib.parse import urlparse
 
 import requests
@@ -42,7 +42,7 @@ class RemoteRuntime(ActionExecutionClient):
         sid: str = 'default',
         plugins: list[PluginRequirement] | None = None,
         env_vars: dict[str, str] | None = None,
-        status_callback: Optional[Callable] = None,
+        status_callback: Callable | None = None,
         attach_to_existing: bool = False,
         headless_mode: bool = True,
         github_user_id: str | None = None,