remove unused imports automatically (#4449)

* remove unused imports automatically

* add linters to pr template

* remove useless try statement

autogpt/plugins.py

@@ -5,7 +5,7 @@ import json
 import os
 import zipfile
 from pathlib import Path
-from typing import List, Optional, Tuple
+from typing import List
 from urllib.parse import urlparse
 from zipimport import zipimporter