Update app.py

app.py

@@ -33,7 +33,7 @@ pipe = pipeline(
 
 @spaces.GPU
 def transcribe(audio_file, task, language, keywords):
-    if inputs is None:
+    if audio_file is None:
         raise gr.Error("No audio file submitted! Please upload or record an audio file before submitting your request.")
 
     result = pipe(audio_file, batch_size=BATCH_SIZE, generate_kwargs={"task": task, "language": language}, return_timestamps=True)