fix

app.py

@@ -11,6 +11,7 @@ from subtitle_manager import Subtitle
 
 logging.basicConfig(level=logging.INFO)
 last_model = None
+pipe = None
 
 def write_file(output_file,subtitle):
     with open(output_file, 'w', encoding='utf-8') as f:
@@ -57,6 +58,7 @@ def create_pipe(model, flash):
 def transcribe_webui_simple_progress(modelName, languageName, urlData, multipleFiles, microphoneData, task, flash,
                                     chunk_length_s, batch_size, progress=gr.Progress()):
     global last_model
+    global pipe
 
     progress(0, desc="Loading Audio..")
     logging.info(f"urlData:{urlData}")