Update app.py

app.py

@@ -208,7 +208,7 @@ def analyze_stock(ticker: str) -> str:
     openai_api_key = os.getenv('OPENAI_API_KEY')
     prompt = generate_gpt_prompt(ticker, fmp_api_key)
     analysis = run_gpt_model(prompt, openai_api_key)
-    return prompt, analysis
+    yield prompt, analysis
 
 description = """We gave Ann-E a name, but not a personality. It's time to change that!