Use Blocks to fix error

app.py

@@ -1,27 +1,25 @@
-import os
 import gradio as gr
-from huggingface_hub import InferenceClient
-
-api_key = os.getenv("HF_API_KEY")
-client = InferenceClient(api_key=api_key)
 
 def answer_question(project_data, question):
+  # Process the project_data and question to generate an answer
+  # Replace this with your actual logic
   answer = f"Answer to '{question}' based on '{project_data}': [Your Answer Here]"
   return answer
 
-iface = gr.Interface(
-    fn=answer_question,
-    inputs=["text", "text"],
-    outputs="text"
-)
+with gr.Blocks() as demo:  # Create a Blocks context
+  iface = gr.Interface(
+      fn=answer_question,
+      inputs=["text", "text"],
+      outputs="text"
+  )
 
-def listen_for_messages():
-  def handle_message(event):
-    if event.data.type == 'initial_input':
-      iface.update(inputs=[event.data.project_data, event.data.question])
+  def listen_for_messages():
+    def handle_message(event):
+      if event.data.type == 'initial_input':
+        iface.update(inputs=[event.data.project_data, event.data.question])
 
-  window.addEventListener('message', handle_message)
+    window.addEventListener('message', handle_message)
 
-iface.load(listen_for_messages)  # Call the defined function
+  iface.load(listen_for_messages)
 
-iface.launch()
+demo.launch()