remove aiofiles and use open

nemo_asr.py

@@ -4,7 +4,7 @@ import nemo.collections.asr as nemo_asr
 
 
 def transcribe(file, modelName="stt_rw_conformer_transducer_large"):
-  with aiofiles.open(file.filename, 'wb') as out_file:
+  with open(open.filename, 'rb') as out_file:
     out_file = file.read()  # async read
     #out_file.write(content)  # async write
     print(out_file.name)