Collecting tessagon==0.4.2
  1 location(s) to search for versions of tessagon:
  * https://pypi.python.org/simple/tessagon/
  Getting page https://pypi.python.org/simple/tessagon/
  Analyzing links from page https://pypi.python.org/simple/tessagon/
    Found link https://pypi.python.org/packages/64/8a/d607a0398b64f4ef618d092062bc7a90c52fa03988ca99388bc45e8dd39b/tessagon-0.4.2.tar.gz#md5=5d8c7b1b4d1f07725c627009183a1aec (from https://pypi.python.org/simple/tessagon/) (requires-python:~=3.5), version: 0.4.2
    Found link https://pypi.python.org/packages/6c/44/92fcee5430f9997878d68dc3b6c00e494f310a78d0a0a7c72fd48665dfb6/tessagon-0.4.2-py3-none-any.whl#md5=d17d97aa4d997422e9248045b538aef6 (from https://pypi.python.org/simple/tessagon/) (requires-python:~=3.5), version: 0.4.2
  Using version 0.4.2 (newest of versions: 0.4.2)
  Downloading tessagon-0.4.2-py3-none-any.whl (40kB)
  Downloading from URL https://pypi.python.org/packages/6c/44/92fcee5430f9997878d68dc3b6c00e494f310a78d0a0a7c72fd48665dfb6/tessagon-0.4.2-py3-none-any.whl#md5=d17d97aa4d997422e9248045b538aef6 (from https://pypi.python.org/simple/tessagon/) (requires-python:~=3.5)
  Saved /tmp/tmpgo5z0_8d/tessagon-0.4.2-py3-none-any.whl
Skipping tessagon, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-rgsbn5uv/tessagon