Collecting hachoir==3.0a3
  1 location(s) to search for versions of hachoir:
  * https://pypi.python.org/simple/hachoir/
  Getting page https://pypi.python.org/simple/hachoir/
  Analyzing links from page https://pypi.org/simple/hachoir/
    Found link https://files.pythonhosted.org/packages/79/7c/947fd068c5a14521f0d63052dc20876523ca0562664082d6c6101344a7ae/hachoir-3.0a3-py3-none-any.whl#sha256=077fe4214fd6d902a9d737bb5c78daf6b2e7f4bc9598a8042ddaa565bc4d2e0a (from https://pypi.org/simple/hachoir/), version: 3.0a3
    Found link https://files.pythonhosted.org/packages/9c/4c/36432861d9f05fca200780cc1e3e87cbe0d6641e7238c98af20ac79e7583/hachoir-3.0a3.tar.gz#sha256=e5031bd50c58c5be3023de051ef910824e026084044024a90e2d88beef3ffbf9 (from https://pypi.org/simple/hachoir/), version: 3.0a3
  Using version 3.0a3 (newest of versions: 3.0a3)
  Downloading https://files.pythonhosted.org/packages/79/7c/947fd068c5a14521f0d63052dc20876523ca0562664082d6c6101344a7ae/hachoir-3.0a3-py3-none-any.whl (632kB)
  Downloading from URL https://files.pythonhosted.org/packages/79/7c/947fd068c5a14521f0d63052dc20876523ca0562664082d6c6101344a7ae/hachoir-3.0a3-py3-none-any.whl#sha256=077fe4214fd6d902a9d737bb5c78daf6b2e7f4bc9598a8042ddaa565bc4d2e0a (from https://pypi.org/simple/hachoir/)
  Saved /tmp/tmpe7axa3le/hachoir-3.0a3-py3-none-any.whl
Skipping hachoir, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-qras6pzi/hachoir