Update app.py

app.py

@@ -23,7 +23,7 @@ def get_text(url):
         os.rename(out_file, new_file)
         a = new_file
     
-        logging.info("Size of audio file: %s", a.len())
+        logging.info("Size of audio file: %s", len(a))
         result = model.transcribe(a)
         return result['text'].strip()
         #else: