small fixes

app.py

@@ -125,6 +125,9 @@ def process(
 
     filename = convert_to_wav(in_filename)
 
+    logging.info(f"filename: {in_filename}")
+    os.system(f"soxi {filename}")
+
     now = datetime.now()
     date_time = now.strftime("%Y-%m-%d %H:%M:%S.%f")
     logging.info(f"Started at {date_time}")