Update app.py

app.py

@@ -53,6 +53,9 @@ def generate(prompt, uploaded_file, prompt_addition, negative_prompt, num_images
     img_preprocessed, error_message = preprocess_image(uploaded_file)
     if error_message:
         return error_message
+
+    num_images = int(num_images)
+    
     params = {
         "image": img_preprocessed,
         "num_inference_steps": num_steps,