Created temporary directory: /tmp/pip-ephem-wheel-cache-j2fn81zx
Created temporary directory: /tmp/pip-req-tracker-h66devul
Created requirements tracker '/tmp/pip-req-tracker-h66devul'
Created temporary directory: /tmp/pip-wheel-d7vuikru
Collecting wittgenstein==0.1.1
  1 location(s) to search for versions of wittgenstein:
  * https://pypi.org/simple/wittgenstein/
  Getting page https://pypi.org/simple/wittgenstein/
  Analyzing links from page https://pypi.org/simple/wittgenstein/
    Skipping link https://files.pythonhosted.org/packages/37/12/f7c9687075918710b9bb6b42f904273c14719bb5dfa54537fe3e83575cf8/wittgenstein-0.1.0-py3.6.egg#sha256=1ea346cc61507acadce770c997ae3a1d904810021dcf8a6156f89147dafdc0c9 (from https://pypi.org/simple/wittgenstein/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/99/4d/605574f34dc898df686708a54d6671737e9058822bcb7204bffea7a148c2/wittgenstein-0.1.1-py3-none-any.whl#sha256=7d38d20829ecdc24cd7de429c4bf6d5a71c4a784532e3d4e3bf32b8231493781 (from https://pypi.org/simple/wittgenstein/), version: 0.1.1
    Skipping link https://files.pythonhosted.org/packages/70/3d/54998f3a5e2c70d1dc56e55bd1bca08a3874ef00e74b3aec2028620f2318/wittgenstein-0.1.1-py3.6.egg#sha256=a26106974c3dc27a5876d5af43e0c8d1d0b5fcf22405371008863bc35aedd0b5 (from https://pypi.org/simple/wittgenstein/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/67/b8/151a6e3da17cd81e050e25748a1823ae369ecc6af300cc269f6f950c1abf/wittgenstein-0.1.1.tar.gz#sha256=08571897fea9958e6f695d330177a28db3b056025b104fa450c2c4a02752d3ff (from https://pypi.org/simple/wittgenstein/), version: 0.1.1
  Using version 0.1.1 (newest of versions: 0.1.1)
  Created temporary directory: /tmp/pip-unpack-4xqkh_ml
  Downloading https://files.pythonhosted.org/packages/99/4d/605574f34dc898df686708a54d6671737e9058822bcb7204bffea7a148c2/wittgenstein-0.1.1-py3-none-any.whl (41kB)
  Downloading from URL https://files.pythonhosted.org/packages/99/4d/605574f34dc898df686708a54d6671737e9058822bcb7204bffea7a148c2/wittgenstein-0.1.1-py3-none-any.whl#sha256=7d38d20829ecdc24cd7de429c4bf6d5a71c4a784532e3d4e3bf32b8231493781 (from https://pypi.org/simple/wittgenstein/)
  Saved /tmp/tmp5pgjvl6x/wittgenstein-0.1.1-py3-none-any.whl
  Added wittgenstein==0.1.1 from https://files.pythonhosted.org/packages/99/4d/605574f34dc898df686708a54d6671737e9058822bcb7204bffea7a148c2/wittgenstein-0.1.1-py3-none-any.whl#sha256=7d38d20829ecdc24cd7de429c4bf6d5a71c4a784532e3d4e3bf32b8231493781 to build tracker '/tmp/pip-req-tracker-h66devul'
  Removed wittgenstein==0.1.1 from https://files.pythonhosted.org/packages/99/4d/605574f34dc898df686708a54d6671737e9058822bcb7204bffea7a148c2/wittgenstein-0.1.1-py3-none-any.whl#sha256=7d38d20829ecdc24cd7de429c4bf6d5a71c4a784532e3d4e3bf32b8231493781 from build tracker '/tmp/pip-req-tracker-h66devul'
Skipping wittgenstein, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-d7vuikru/wittgenstein
Removed build tracker '/tmp/pip-req-tracker-h66devul'