Update app.py

app.py

@@ -108,7 +108,6 @@ def process_brightness(
 
 def infer(video_in, trim_value, prompt,
                     negative_prompt,
-                    conditioning_image,
                     num_inference_steps=30,
                     size=768,
                     guidance_scale=7.0,
@@ -132,9 +131,9 @@ def infer(video_in, trim_value, prompt,
     
     for i, image in enumerate(frames_list[0:int(n_frame)]):
 
-        image = Image.open(image).convert("RGB")
-        image = np.array(image)
-        output_frame = process_brightness(image,
+        conditioning_image = Image.open(image).convert("L") #convert to greyscale
+        conditioning_image = np.array(image)
+        output_frame = process_brightness(
                             prompt,
                             negative_prompt,
                             conditioning_image,
@@ -219,7 +218,7 @@ with gr.Blocks() as demo:
     submit_btn.click(
         fn=infer,
         inputs=[
-            video_in, prompt, trim_in, negative_prompt, conditioning_image, num_inference_steps, size, guidance_scale, seed
+            video_in, prompt, trim_in, negative_prompt, num_inference_steps, size, guidance_scale, seed
         ],
         outputs=output
     )