Update app.py

app.py

@@ -108,14 +108,17 @@ def interact(user_input, history):
         formatted_history = [(entry["content"], None) if entry["role"] == "user" else (None, entry["content"]) for entry in history if entry["role"] in ["user", "assistant"]]
         return "", formatted_history, history
     except Exception as e:
-        if torch.cuda.is available():
+        if torch.cuda.is_available():
             torch.cuda.empty_cache()
         print(f"Error during interaction: {e}")
         raise gr.Error(f"An error occurred during interaction: {str(e)}")
 
 # Function to send selected story and initial message
 def send_selected_story(title, model_name, system_prompt):
-    global chat_history, selected_story, data, interaction_count
+    global chat_history
+    global selected_story
+    global data
+    global interaction_count
     data = []  # Reset data for new story
     interaction_count = 0  # Reset interaction count
     tokenizer, model = load_model(model_name)