catch error

model/pre_download.py

@@ -8,6 +8,8 @@ def pre_download_all_models(include_video=True):
     imagedit_dl_error = pre_download_image_models_edit()
     if include_video:
         videogen_dl_error = pre_download_video_models_gen()
+    else:
+        videogen_dl_error = ["None"]
     print("All models downloaded.")
     print("Models that encountered download error:", "Image Generation:", imagen_dl_error, "Image Edition:", imagedit_dl_error, "Video Generation:", videogen_dl_error)