(source
(origin
(method url-fetch)
- (uri (string-append "https://pypi.python.org/packages/source/l/lockfile/"
- "lockfile-" version ".tar.gz"))
+ (uri (pypi-uri "lockfile" version))
(sha256
(base32
"16gpx5hm73ah5n1079ng0vy381hl802v606npkx4x8nb0gg05vba"))))