well I was right that this wasn't gonna work

app.py

@@ -73,6 +73,14 @@ def save_dataframe_to_csv(df):
     return temp_file_path
 
 
+# Define a validation function to check if the uploaded file is an image
+def validate_image_file(file):
+    allowed_extensions = [".jpg", ".jpeg", ".png", ".gif", ".bmp", ".tiff"]
+    file_extension = os.path.splitext(file.name)[1]
+    if file_extension.lower() not in allowed_extensions:
+        return "Invalid file type. Please upload an image file (e.g., .jpg, .png, .jpeg)."
+    return None
+
 # Main function to perform image captioning and image-text matching
 def process_images_and_statements(file):
     logging.info('Starting process_images_and_statements')
@@ -127,7 +135,7 @@ def process_images_and_statements(file):
     return results_df, csv_results # <--- Return results_df and csv_results
 
 # Gradio interface
-file_input = gr.inputs.File(type="image", label="Upload Image")  # Use File input for image upload
+file_input = gr.inputs.File(label="Upload Image", validate=validate_image_file)  # Use File input for image upload
 output_df = gr.outputs.Dataframe(type="pandas", label="Results")
 output_csv = gr.outputs.File(label="Download CSV")