Created temporary directory: /tmp/pip-ephem-wheel-cache-rgint2x9
Created temporary directory: /tmp/pip-req-tracker-tjlufhqn
Created requirements tracker '/tmp/pip-req-tracker-tjlufhqn'
Created temporary directory: /tmp/pip-wheel-knww4peh
Collecting slff==0.0.1
  1 location(s) to search for versions of slff:
  * https://pypi.org/simple/slff/
  Getting page https://pypi.org/simple/slff/
  Analyzing links from page https://pypi.org/simple/slff/
    Found link https://files.pythonhosted.org/packages/ac/af/2ef650c7894719b3091c5b0a3d369e0520e92312e1a1c411182ab4ba5543/slff-0.0.1-py3-none-any.whl#sha256=e68172e0b02df8070a714fd6e03ac7fccefd970fc8f0c59df877d6f7c6ef623c (from https://pypi.org/simple/slff/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/a9/88/44be00d590f069feb4ba5911312395e60e847e249f55109b62de5d2b7670/slff-0.0.1.tar.gz#sha256=aa074c6601d7302916e0ad0e893e4bf453f17cedf56bba1bcae8144d6a47e172 (from https://pypi.org/simple/slff/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Created temporary directory: /tmp/pip-unpack-2lsngfnm
  Downloading https://files.pythonhosted.org/packages/ac/af/2ef650c7894719b3091c5b0a3d369e0520e92312e1a1c411182ab4ba5543/slff-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/ac/af/2ef650c7894719b3091c5b0a3d369e0520e92312e1a1c411182ab4ba5543/slff-0.0.1-py3-none-any.whl#sha256=e68172e0b02df8070a714fd6e03ac7fccefd970fc8f0c59df877d6f7c6ef623c (from https://pypi.org/simple/slff/)
  Saved /tmp/tmpfltkojzz/slff-0.0.1-py3-none-any.whl
  Added slff==0.0.1 from https://files.pythonhosted.org/packages/ac/af/2ef650c7894719b3091c5b0a3d369e0520e92312e1a1c411182ab4ba5543/slff-0.0.1-py3-none-any.whl#sha256=e68172e0b02df8070a714fd6e03ac7fccefd970fc8f0c59df877d6f7c6ef623c to build tracker '/tmp/pip-req-tracker-tjlufhqn'
  Removed slff==0.0.1 from https://files.pythonhosted.org/packages/ac/af/2ef650c7894719b3091c5b0a3d369e0520e92312e1a1c411182ab4ba5543/slff-0.0.1-py3-none-any.whl#sha256=e68172e0b02df8070a714fd6e03ac7fccefd970fc8f0c59df877d6f7c6ef623c from build tracker '/tmp/pip-req-tracker-tjlufhqn'
Skipping slff, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-knww4peh/slff
Removed build tracker '/tmp/pip-req-tracker-tjlufhqn'