Created temporary directory: /tmp/pip-ephem-wheel-cache-3tmt_vma
Created temporary directory: /tmp/pip-req-tracker-xjx0jbn2
Created requirements tracker '/tmp/pip-req-tracker-xjx0jbn2'
Created temporary directory: /tmp/pip-wheel-_qgjjyqg
Collecting sfftk-rw==0.5.0.dev0
  1 location(s) to search for versions of sfftk-rw:
  * https://pypi.org/simple/sfftk-rw/
  Getting page https://pypi.org/simple/sfftk-rw/
  Analyzing links from page https://pypi.org/simple/sfftk-rw/
    Found link https://files.pythonhosted.org/packages/b7/c1/0fd6bee4021b606ae5c5672367b85687b3db5a71ee64d04c24574cf44e56/sfftk-rw-0.5.0.dev0.tar.gz#sha256=7ae548e19d879dfe68d62920d8fc4db19cd6c1a9dd62f043ef62a0b1dcbb26c6 (from https://pypi.org/simple/sfftk-rw/), version: 0.5.0.dev0
    Skipping link https://files.pythonhosted.org/packages/83/f0/dc0b7d50a7c9573c98cd19c1dcee79a789bd49f808b17ba07990b97966ee/sfftk_rw-0.5.0.dev0-py2-none-any.whl#sha256=f8b1d5a2c64d438aa5f6c3c7c851b8db3dca3cb23791548eac4d9566710441ba (from https://pypi.org/simple/sfftk-rw/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/33/88/93c3c9c7a29e496d27bf686c70fd9b009406c53a897e53939847048580d7/sfftk_rw-0.5.0.dev0-py3-none-any.whl#sha256=792e24fd2a73acdadabf4111c137484193ede3a344bdd06f8f249df1558da4a8 (from https://pypi.org/simple/sfftk-rw/), version: 0.5.0.dev0
  Using version 0.5.0.dev0 (newest of versions: 0.5.0.dev0)
  Created temporary directory: /tmp/pip-unpack-3626ysk0
  Downloading https://files.pythonhosted.org/packages/33/88/93c3c9c7a29e496d27bf686c70fd9b009406c53a897e53939847048580d7/sfftk_rw-0.5.0.dev0-py3-none-any.whl (202kB)
  Downloading from URL https://files.pythonhosted.org/packages/33/88/93c3c9c7a29e496d27bf686c70fd9b009406c53a897e53939847048580d7/sfftk_rw-0.5.0.dev0-py3-none-any.whl#sha256=792e24fd2a73acdadabf4111c137484193ede3a344bdd06f8f249df1558da4a8 (from https://pypi.org/simple/sfftk-rw/)
  Saved /tmp/tmpk63gljjd/sfftk_rw-0.5.0.dev0-py3-none-any.whl
  Added sfftk-rw==0.5.0.dev0 from https://files.pythonhosted.org/packages/33/88/93c3c9c7a29e496d27bf686c70fd9b009406c53a897e53939847048580d7/sfftk_rw-0.5.0.dev0-py3-none-any.whl#sha256=792e24fd2a73acdadabf4111c137484193ede3a344bdd06f8f249df1558da4a8 to build tracker '/tmp/pip-req-tracker-xjx0jbn2'
  Removed sfftk-rw==0.5.0.dev0 from https://files.pythonhosted.org/packages/33/88/93c3c9c7a29e496d27bf686c70fd9b009406c53a897e53939847048580d7/sfftk_rw-0.5.0.dev0-py3-none-any.whl#sha256=792e24fd2a73acdadabf4111c137484193ede3a344bdd06f8f249df1558da4a8 from build tracker '/tmp/pip-req-tracker-xjx0jbn2'
Skipping sfftk-rw, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-_qgjjyqg/sfftk-rw
Removed build tracker '/tmp/pip-req-tracker-xjx0jbn2'