Update app.py

app.py

@@ -21,7 +21,7 @@ def generate_item(tag):
     """
     # Generate text using Gemini LLM
     prompt = f"Generate a short, engaging post about {tag} in the style of a TikTok caption."
-    text_response = client.models.generate_content(model='gemini-2.5-flash-preview-04-17',prompt=prompt)
+    text_response = client.models.generate_content(model='gemini-2.5-flash-preview-04-17',contents=[prompt])
     text = text_response.text.strip()
 
     # Generate an image using Imagen based on the generated text