Update app.py

app.py

@@ -74,8 +74,6 @@ B.add_edges_from((("START B","B1"),("B1","B2"),("B2","END B")))
 Bot_dialog = nx.compose(A, B)
 Bot_dialog.add_edges_from((("END A1","START B"),("END A2","START B")))
 
-current_node = "START A"
-
 def addfile(filepath):
     return filepath
 def submit_file(filepath):
@@ -147,6 +145,8 @@ async def restart(history):
     return [history[0]], '', 'tts_temp.wav'
 
 async def main():
+    current_node = "START A"
+    
     # init first audio greeting
     await text_to_speech([[None, Bot_dialog.nodes["START A"]["response"]]])