Update app.py

app.py

@@ -5,7 +5,7 @@ import pandas as pd
 asr_model = nemo_asr.models.EncDecCTCModelBPE.from_pretrained(model_name="stt_rw_conformer_ctc_large")
 df = pd.read_csv("amasaku_data.tsv",sep='\t')
 print(df)
-amasaku_mapping = {key.lower():val.lower() for key,val in zip(df.iloc[:,0],df.iloc[:,1])}
+amasaku_mapping = {str(key).lower():str(val).lower() for key,val in zip(df.iloc[:,0],df.iloc[:,1])}
 
 def transcribe(file):