ver Jan10thv2

a new example config for Thunderbird
fixed several bugs

desktop_env/evaluators/getters/file.py

@@ -1,4 +1,5 @@
 from typing import Dict
+from typing import Optional
 
 import os
 import requests
@@ -27,7 +28,7 @@ def get_cloud_file(env, config: Dict[str, str]) -> str:
     return _path
 
 
-def get_vm_file(env, config: Dict[str, str]) -> str:
+def get_vm_file(env, config: Dict[str, str]) -> Optional[str]:
     """
     Config:
         path (str): absolute path on the VM to fetch
@@ -37,6 +38,8 @@ def get_vm_file(env, config: Dict[str, str]) -> str:
     _path = os.path.join(env.cache_dir, config["dest"])
 
     file = env.controller.get_file(config["path"])
+    if file is None:
+        return None
     with open(_path, "wb") as f:
         f.write(file)