temp error handling

Author: NeilSmithDLS

src/blueapi/service/authentication.py

@@ -72,14 +72,16 @@ def can_access_cache(self) -> bool:
         assert self._token_path
         try:
             Path(self._token_path.parent).mkdir(parents=True, exist_ok=True)
-            os.chmod(self._token_path.parent, 0o777)
+            os.chmod(self._token_path.parent, 0o666)
             self._token_path.write_text("")
         except IsADirectoryError:
             print("Invalid path: a directory path was provided instead of a file path")
             return False
         except PermissionError:
             print(f"Permission denied: Cannot write to {self._token_path.absolute()}")
             return False
+        except Exception as e:
+            print(f"It's gone wrong: {e}")
         return True