Fix CodeQL alerts

src/cli.py

@@ -10,20 +10,15 @@
 
 try:
     import click
-    import requests
-    import json
-    from typing import List, Dict, Any
+    from typing import Dict
     from datetime import datetime
 except ImportError:
     import sys
 
     print("Missing dependencies. Please reach @jboursier if needed.")
     sys.exit(255)
 
-from click.exceptions import ClickException
-from requests.exceptions import Timeout
-
-from ghas_cli.utils import repositories, network, vulns
+from ghas_cli.utils import repositories, vulns
 
 
 def main() -> None:

src/ghas_cli/utils/export.py

@@ -1,8 +1,6 @@
 # -*- coding: utf-8 -*-
 #!/usr/bin/env python3
 
-from typing import List, Any
-import requests
 import json
 
 

src/ghas_cli/utils/network.py

@@ -1,9 +1,7 @@
 # -*- coding: utf-8 -*-
 #!/usr/bin/env python3
 
-from typing import List, Any
-import requests
-import json
+from typing import Any
 
 
 def check_rate_limit(response: Any) -> bool:

src/ghas_cli/utils/repositories.py

@@ -3,8 +3,6 @@
 
 from typing import List
 import requests
-import json
-
 from . import network
 
 

src/ghas_cli/utils/vulns.py

@@ -1,9 +1,8 @@
 # -*- coding: utf-8 -*-
 #!/usr/bin/env python3
 
-from typing import List, Any, Dict
+from typing import Dict
 import requests
-import json
 
 from . import network