Update app.py

app.py

@@ -78,7 +78,7 @@ def transcribe_audio(filepath, batch_size=16, sample_rate=16000):
         waveform = waveform[0, :]
 
     # --waveform to ndnumpy array
-    samples = waveform.numpy()
+    waveform = waveform.numpy()
     
     start_time = time.time()