2376     # we put it back for good measure.

  2376     # we put it back for good measure.

  2377     d.decompress('BZ')

  2377     d.decompress('BZ')

  2378     return d

  2378     return d

  2379 

  2379 

  2380 decompressors = {None: lambda fh: fh,

  2380 decompressors = {None: lambda fh: fh,

  2382                  'GZ': _makedecompressor(lambda: zlib.decompressobj()),

  2383                  'GZ': _makedecompressor(lambda: zlib.decompressobj()),

  2383                  }

  2384                  }

  2384 # also support the old form by courtesies

  2385 # also support the old form by courtesies

  2385 decompressors['UN'] = decompressors[None]

  2386 decompressors['UN'] = decompressors[None]

  2386 

  2387