fix

app.py

@@ -86,6 +86,7 @@ def set_fal_key(fal_key_from_ui: str | None):
     global FAL_KEY
     if fal_key_from_ui and fal_key_from_ui.strip():
         FAL_KEY = fal_key_from_ui.strip()
+        os.environ["FAL_KEY"] = FAL_KEY
         print("FAL_KEY has been set from UI input.")
         gr.Info("FAL_KEY has been updated from UI input.")
     elif not fal_key_from_ui and FAL_KEY:
@@ -160,6 +161,7 @@ def generate_video_from_image(
     try:
         progress(0.1, desc="Uploading image...")
         print("Uploading image to fal.ai storage...")
+        print("FAL_KEY: ", os.environ.get("FAL_KEY"))
         image_url = fal_client.upload_file(image_filepath)
         print(f"Image uploaded, URL: {image_url}")
         progress(0.3, desc="Image uploaded. Submitting video request...")