Revert "thread safe extra network list_items"

This reverts commit aab385d0.

extensions-builtin/Lora/ui_extra_networks_lora.py

@@ -66,9 +66,9 @@ class ExtraNetworksPageLora(ui_extra_networks.ExtraNetworksPage):
         return item
 
     def list_items(self):
-        with self.thread_lock:
         for index, name in enumerate(networks.available_networks):
             item = self.create_item(name, index)
+
             if item is not None:
                 yield item
 

modules/ui_extra_networks.py

 import os.path
 import urllib.parse
 from pathlib import Path
-from threading import Lock
 
 from modules import shared, ui_extra_networks_user_metadata, errors, extra_networks
 from modules.images import read_info_from_image, save_image_with_geninfo
@@ -95,7 +94,6 @@ class ExtraNetworksPage:
         self.allow_negative_prompt = False
         self.metadata = {}
         self.items = {}
-        self.thread_lock = Lock()
 
     def refresh(self):
         pass

modules/ui_extra_networks_checkpoints.py

@@ -30,8 +30,8 @@ class ExtraNetworksPageCheckpoints(ui_extra_networks.ExtraNetworksPage):
         }
 
     def list_items(self):
-        with self.thread_lock:
-            for index, name in enumerate(sd_models.checkpoints_list):
+        names = list(sd_models.checkpoints_list)
+        for index, name in enumerate(names):
             yield self.create_item(name, index)
 
     def allowed_directories_for_previews(self):

modules/ui_extra_networks_hypernets.py

@@ -31,7 +31,6 @@ class ExtraNetworksPageHypernetworks(ui_extra_networks.ExtraNetworksPage):
         }
 
     def list_items(self):
-        with self.thread_lock:
         for index, name in enumerate(shared.hypernetworks):
             yield self.create_item(name, index)
 

modules/ui_extra_networks_textual_inversion.py

@@ -29,7 +29,6 @@ class ExtraNetworksPageTextualInversion(ui_extra_networks.ExtraNetworksPage):
         }
 
     def list_items(self):
-        with self.thread_lock:
         for index, name in enumerate(sd_hijack.model_hijack.embedding_db.word_embeddings):
             yield self.create_item(name, index)