Update app.py

app.py

@@ -8,7 +8,7 @@ from BotSimulator import TootBot
 import openai
 from io import StringIO
 import multiprocessing
-restore_point=sys.stdout
+restore_point = sys.stdout
 
 
 if not os.path.exists("data/fake-tweets"):
@@ -42,7 +42,7 @@ def init_app(api_key,
         openai.api_key = api_key
         openai.Model.list()
     except Exception as e:
-        gr.Error(str(e))
+        raise gr.Error("Invalid API Key... " + str(e))
 
     console_logs = StringIO()
     sys.stdout = console_logs
@@ -92,7 +92,7 @@ def run_simulation(topic,
                    news_company="CNN",
                    text_model_name="gpt-3.5-turbo-0301"):
     if topic == "":
-        gr.Error("Topic must not be empty")
+        raise gr.Error("Topic must not be empty")
              
     console_logs = StringIO()
     sys.stdout = console_logs