Update app.py

app.py

@@ -7,7 +7,7 @@ genai.configure(
     api_key=os.getenv("api_key")
 )
 
-models = "gemini-pro"
+models = "models/gemini-pro"
 
 def generate_text(prompt, examples, model=models, temperature=0.25):
     return genai.chat(model=model, temperature=temperature, examples=examples, messages=prompt).last