Python 2.7: gzip has no module decompress

[mathbou]

Since the 0.7.2 update when I want to update the pigar database or search the misssing module via PyPI I get this error:

Traceback (most recent call last):
  File "c:\python27\lib\runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "c:\python27\lib\runpy.py", line 72, in _run_code
    exec code in run_globals
  File "C:\Python27\Scripts\pigar.exe\__main__.py", line 9, in <module>
  File "C:\Python27\Lib\site-packages\pigar\__main__.py", line 261, in main
    Main()
  File "C:\Python27\Lib\site-packages\pigar\__main__.py", line 35, in __init__
    self.generate_reqs(save_path, project_path, ignores)
  File "C:\Python27\Lib\site-packages\pigar\__main__.py", line 102, in generate_reqs
    gr.generate_reqs()
  File "C:\Python27\Lib\site-packages\pigar\__main__.py", line 148, in generate_reqs
    latest = check_latest_version(pkg)
  File "C:\Python27\Lib\site-packages\pigar\pypi.py", line 58, in check_latest_version
    version = extract_pkg_version(package)
  File "C:\Python27\Lib\site-packages\pigar\pypi.py", line 118, in extract_pkg_version
    data = _pkg_json_info(pkg_name)
  File "C:\Python27\Lib\site-packages\pigar\pypi.py", line 129, in _pkg_json_info
    data = download(PKG_INFO_URL.format(pkg_name))
  File "C:\Python27\Lib\site-packages\pigar\pypi.py", line 151, in download
    return try_unpack_resp(resp)
  File "C:\Python27\Lib\site-packages\pigar\unpack.py", line 128, in try_unpack_resp
    data = gzip.decompress(data)
AttributeError: 'module' object has no attribute 'decompress'

I use pigar with a python 2.7 environment and I checked the gzip doc, it does not have decompress yet, it was introduced in python 3.2.