Program crash when handling system winetricks. ValueError: unconverted data remains: - sha1sum: e740902b3f34e2cf6ec526475d8c3231af20b6b5

[NP-Hardass]

On Gentoo, when the Gentoo winetricks package is installed, launching Swine produces the following fatal error:

ValueError: unconverted data remains:  - sha1sum: e740902b3f34e2cf6ec526475d8c3231af20b6b5
  File "/usr/lib/python-exec/python2.7/swine", line 787, in <module>
    main(sys.argv)
  File "/usr/lib/python-exec/python2.7/swine", line 783, in main
    win.checkWinetricks()
  File "/usr/lib/python-exec/python2.7/swine", line 449, in checkWinetricks
    elif time.mktime(time.strptime(version, "%Y%m%d")) < time.time() - 3*30*24*60*60:
  File "/usr/lib64/python2.7/_strptime.py", line 467, in _strptime_time
    return _strptime(data_string, format)[0]
  File "/usr/lib64/python2.7/_strptime.py", line 328, in _strptime
    data_string[found.end():])

[UffeJakobsen]

I see a similar problem in Arch Linux:

ValueError: unconverted data remains: - sha1sum: a142f0eddf75a90d10fb71de0d87caaa23f7c278
File "./swine", line 787, in
main(sys.argv)
File "./swine", line 783, in main
win.checkWinetricks()
File "./swine", line 449, in checkWinetricks
elif time.mktime(time.strptime(version, "%Y%m%d")) < time.time() - 3_30_24_60_60:
File "/usr/lib/python2.7/_strptime.py", line 467, in _strptime_time
return _strptime(data_string, format)[0]
File "/usr/lib/python2.7/_strptime.py", line 328, in _strptime
data_string[found.end():])

[Eugex]

Ubuntu 15.10 64bit
swine
ValueError: unconverted data remains: - sha1sum: f6e4d7adf37e0a198c3cd7e6025277027926a2eb
File "/usr/bin/swine", line 787, in
main(sys.argv)
File "/usr/bin/swine", line 783, in main
win.checkWinetricks()
File "/usr/bin/swine", line 449, in checkWinetricks
elif time.mktime(time.strptime(version, "%Y%m%d")) < time.time() - 3_30_24_60_60:
File "/usr/lib/python2.7/_strptime.py", line 467, in _strptime_time
return _strptime(data_string, format)[0]
File "/usr/lib/python2.7/_strptime.py", line 328, in _strptime
data_string[found.end():])