[py]: Remove unused vars

Author: symonk

py/selenium/webdriver/common/bidi/cdp.py

@@ -275,7 +275,7 @@ def _handle_cmd_response(self, data):
             # Otherwise, continue the generator to parse the JSON result
             # into a CDP object.
             try:
-                response = cmd.send(data["result"])
+                _ = cmd.send(data["result"])
                 raise InternalError("The command's generator function " "did not exit when expected!")
             except StopIteration as exit:
                 return_ = exit.value

py/selenium/webdriver/firefox/webdriver.py

@@ -122,7 +122,7 @@ def install_addon(self, path, temporary=False) -> str:
             fp = BytesIO()
             path_root = len(path) + 1  # account for trailing slash
             with zipfile.ZipFile(fp, "w", zipfile.ZIP_DEFLATED) as zipped:
-                for base, dirs, files in os.walk(path):
+                for base, _, files in os.walk(path):
                     for fyle in files:
                         filename = os.path.join(base, fyle)
                         zipped.write(filename, filename[path_root:])