fix serving images that have already been saved without temp files fu…

…nction that broke after updating gradio

modules/ui_tempdir.py

@@ -4,6 +4,7 @@
 from pathlib import Path
 
 import gradio as gr
+import gradio.components
 
 from PIL import PngImagePlugin
 
@@ -31,13 +32,16 @@ def check_tmp_file(gradio, filename):
     return False
 
 
-def save_pil_to_file(pil_image, dir=None):
+def save_pil_to_file(self, pil_image, dir=None):
     already_saved_as = getattr(pil_image, 'already_saved_as', None)
     if already_saved_as and os.path.isfile(already_saved_as):
         register_tmp_file(shared.demo, already_saved_as)
+        filename = already_saved_as
 
-        file_obj = Savedfile(f'{already_saved_as}?{os.path.getmtime(already_saved_as)}')
-        return file_obj
+        if not shared.opts.save_images_add_number:
+            filename += f'?{os.path.getmtime(already_saved_as)}'
+
+        return filename
 
     if shared.opts.temp_dir != "":
         dir = shared.opts.temp_dir
@@ -51,11 +55,11 @@ def save_pil_to_file(pil_image, dir=None):
 
     file_obj = tempfile.NamedTemporaryFile(delete=False, suffix=".png", dir=dir)
     pil_image.save(file_obj, pnginfo=(metadata if use_metadata else None))
-    return file_obj
+    return file_obj.name
 
 
 # override save to file function so that it also writes PNG info
-gr.processing_utils.save_pil_to_file = save_pil_to_file
+gradio.components.IOComponent.pil_to_temp_file = save_pil_to_file
 
 
 def on_tmpdir_changed():