Merge pull request #12436 from catboxanon/fix/tqdm

Only import `tqdm` when needed in `launch_utils`

modules/launch_utils.py

@@ -7,7 +7,6 @@ import importlib.util
 import platform
 import json
 from functools import lru_cache
-import tqdm
 
 from modules import cmd_args, errors
 from modules.paths_internal import script_path, extensions_dir
@@ -249,6 +248,7 @@ def run_extensions_installers(settings_file):
         return
 
     with startup_timer.subcategory("run extensions installers"):
+        import tqdm
         progress_bar = tqdm.tqdm(list_extensions(settings_file))
         for dirname_extension in progress_bar:
             progress_bar.set_description(f"Installing {dirname_extension}")