--------------------------------------------------------------------------- Exception Traceback (most recent call last) in 82 get_ipython().system('tar -xf "{dataset}"') 83 else: ---> 84 raise Exception("Unknown extension for dataset") 85 if os.path.exists("/content/wavs/wavs"): 86 shutil.move("/content/wavs/wavs", "/content/tempwavs") Exception: Unknown extension for dataset