Update app.py

app.py

@@ -18,7 +18,7 @@ def initialize_model():
     model = VisionEncoderDecoderModel.from_pretrained("sourabhbargi11/caption4").to(device) 
     tokenizer = GPT2TokenizerFast.from_pretrained("nlpconnect/vit-gpt2-image-captioning")
     image_processor = ViTImageProcessor.from_pretrained("nlpconnect/vit-gpt2-image-captioning")
-   return image_processor, model,tokenizer, device
+    return image_processor, model,tokenizer, device
 
 def upload_image():
     return st.sidebar.file_uploader("Upload an image (we aren't storing anything)", type=["jpg", "jpeg", "png"])