Created temporary directory: /tmp/pip-ephem-wheel-cache-ry3torn6
Created temporary directory: /tmp/pip-req-tracker-wstmzvl7
Created requirements tracker '/tmp/pip-req-tracker-wstmzvl7'
Created temporary directory: /tmp/pip-wheel-rfwksi0a
Collecting symlens==0.2.4
  1 location(s) to search for versions of symlens:
  * https://pypi.org/simple/symlens/
  Getting page https://pypi.org/simple/symlens/
  Analyzing links from page https://pypi.org/simple/symlens/
    Found link https://files.pythonhosted.org/packages/e9/c3/402466f8d260639268c5da86995b631acc476e5da4ae8a7692559d413981/symlens-0.2.3-py2.py3-none-any.whl#sha256=bc1f491eb5fbb4507d87b4d9e8728346b7f2cc7250cd9bc2393c980c4a618866 (from https://pypi.org/simple/symlens/), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/40/e8/d172f461facee408ebdd36186a0462772abfffda00c05c6932b3c6c0029b/symlens-0.2.3.tar.gz#sha256=4a8b4b65a9e4eb511c6eb51643d57a72b6cf04a2c1f7fc8029801aa4cba07c0c (from https://pypi.org/simple/symlens/), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/b3/67/30768846e33ac03f3ea9e698fbc9bf5f3e681c42ae1df47a76756ac8101e/symlens-0.2.4-py2.py3-none-any.whl#sha256=0bdb25076972ae14146f4e938abf01517065d0fffc010fb37777cd39556673db (from https://pypi.org/simple/symlens/), version: 0.2.4
    Found link https://files.pythonhosted.org/packages/4a/ad/5e9ff0d09a9f51dc04ba6f37a65edada0b36bd6fc8fa91f549968d51016f/symlens-0.2.4.tar.gz#sha256=7c7f4894f185d3b234d226fd686a9310f02641ec938138abb0425ffcf45abd80 (from https://pypi.org/simple/symlens/), version: 0.2.4
  Using version 0.2.4 (newest of versions: 0.2.4)
  Created temporary directory: /tmp/pip-unpack-m11artpg
  Downloading https://files.pythonhosted.org/packages/b3/67/30768846e33ac03f3ea9e698fbc9bf5f3e681c42ae1df47a76756ac8101e/symlens-0.2.4-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/b3/67/30768846e33ac03f3ea9e698fbc9bf5f3e681c42ae1df47a76756ac8101e/symlens-0.2.4-py2.py3-none-any.whl#sha256=0bdb25076972ae14146f4e938abf01517065d0fffc010fb37777cd39556673db (from https://pypi.org/simple/symlens/)
  Saved /tmp/tmplv3mda0k/symlens-0.2.4-py2.py3-none-any.whl
  Added symlens==0.2.4 from https://files.pythonhosted.org/packages/b3/67/30768846e33ac03f3ea9e698fbc9bf5f3e681c42ae1df47a76756ac8101e/symlens-0.2.4-py2.py3-none-any.whl#sha256=0bdb25076972ae14146f4e938abf01517065d0fffc010fb37777cd39556673db to build tracker '/tmp/pip-req-tracker-wstmzvl7'
  Removed symlens==0.2.4 from https://files.pythonhosted.org/packages/b3/67/30768846e33ac03f3ea9e698fbc9bf5f3e681c42ae1df47a76756ac8101e/symlens-0.2.4-py2.py3-none-any.whl#sha256=0bdb25076972ae14146f4e938abf01517065d0fffc010fb37777cd39556673db from build tracker '/tmp/pip-req-tracker-wstmzvl7'
Skipping symlens, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-rfwksi0a/symlens
Removed build tracker '/tmp/pip-req-tracker-wstmzvl7'