Update app.py

app.py

@@ -21,7 +21,7 @@ def get_response(text_input, image_input):
         image_input = Image.fromarray(np.uint8(image_input))
 
     if text_input == '' and image_input is None:
-        return "Please provide a text and an image."
+        return "Please provide a text or image."
 
     if text_input != '' and image_input is not None:
         response = model1.generate_content([text_input, image_input])