Update app.py

app.py

@@ -26,13 +26,8 @@ def generate_image(prompt):
 
   response = client.models.generate_content(
     model="gemini-2.5-flash-image-preview",
-    contents=prompt,
-    config=types
-    .GenerateContentConfig(
-      response_modalities=['TEXT', 'IMAGE']
-    )
-  )
-
+    contents=[prompt, image],
+)
   for part in response.candidates[0].content.parts:
     if part.text is not None:
       pass