globalize formatted history in local function transcribe

app.py

@@ -54,6 +54,8 @@ def generate(user_prompt, temperature=0.1, max_new_tokens=128, top_p=0.95, repet
 
 @spaces.GPU(duration=60)
 def transcribe(audio):
+    global formatted_history
+    
     sr, y = audio
     y = y.astype(np.float32)
     y /= np.max(np.abs(y))
@@ -90,7 +92,7 @@ with gr.Blocks() as demo:
 
     transcription_box = gr.Textbox(
         formatted_history, label="Transcription")
-    
+
     transcribe_btn.click(fn=transcribe, inputs=audio_input,
                          outputs=[output_audio, transcription_box])