Merge pull request #12717 from brkirch/make-temp-directory

Create Gradio temp directory if necessary

modules/ui_tempdir.py

@@ -44,6 +44,8 @@ def save_pil_to_file(self, pil_image, dir=None, format="png"):
 
     if shared.opts.temp_dir != "":
         dir = shared.opts.temp_dir
+    else:
+        os.makedirs(dir, exist_ok=True)
 
     use_metadata = False
     metadata = PngImagePlugin.PngInfo()