globalize instruct history in generate function

app.py

@@ -29,7 +29,7 @@ pipe = pipeline(
 
 
 def generate(user_prompt, temperature=0.1, max_new_tokens=128, top_p=0.95, repetition_penalty=1.0):
-    global formatted_history
+    global instruct_history
 
     temperature = float(temperature)
     if temperature < 1e-2:
@@ -97,6 +97,6 @@ with gr.Blocks() as demo:
     transcribe_btn.click(fn=transcribe, inputs=[audio_input],
                          outputs=[output_audio])
 
-
-demo.queue()
-demo.launch()
+if __name__ == "__main__":
+    demo.queue()
+    demo.launch()