Update app.py

app.py

@@ -31,8 +31,8 @@ def parse_transcription_with_lm(wav_file):
     print(logits)
     int_result = processor_with_LM.decode(logits = logits, output_word_offsets=False,
                                          beam_width=128,
-                                         alpha=2,
-                                         beta=-1
+                                         alpha=2.0,
+                                         beta=-1.0
                                          )
     print(int_result)
     transcription =  int_result.text.replace('<s>','')