Update app.py

app.py

@@ -151,7 +151,7 @@ def bot(
         image_prompt = preprocess_image(image_prompt)
         model = genai.GenerativeModel('gemini-pro-vision')
         response = model.generate_content(
-            contents=[text_prompt, image_prompt],
+            contents=[prompt, image_prompt],
             stream=True,
             generation_config=generation_config, safety_settings=safety_settings)
         response.resolve()