Created temporary directory: /tmp/pip-ephem-wheel-cache-1px9ecff
Created temporary directory: /tmp/pip-req-tracker-3i6nkv_6
Created requirements tracker '/tmp/pip-req-tracker-3i6nkv_6'
Created temporary directory: /tmp/pip-wheel-mg7h9p85
Collecting zk==0.6.0
  1 location(s) to search for versions of zk:
  * https://pypi.org/simple/zk/
  Getting page https://pypi.org/simple/zk/
  Analyzing links from page https://pypi.org/simple/zk/
    Found link https://files.pythonhosted.org/packages/b7/28/b607c779681583a36063c21de12a073de40e3d2b6243706d20b96efac527/zk-0.5.3.tar.gz#sha256=cf5b947ecc118d0e40194fcb47bd7caf19585c014229a25033e66f9883c4d29d (from https://pypi.org/simple/zk/), version: 0.5.3
    Found link https://files.pythonhosted.org/packages/b3/9a/7fb1045f9a8565ac7ba97113b3b5ba5802a081c6906ec223d68872bc1720/zk-0.5.6-py3-none-any.whl#sha256=407192851b1fb3287b84f6fee884c6f467bd12cda783cbb4921cd170e06eb89f (from https://pypi.org/simple/zk/), version: 0.5.6
    Found link https://files.pythonhosted.org/packages/88/f9/cb3bba69ddeacdf85618c85512520e1137c5cde30076022ff6f65d1c88bb/zk-0.5.6.tar.gz#sha256=dc46f552ceff4f1f21c0438f580e43ab4e6e5f616520ed1a6ebcfbad47c20cf1 (from https://pypi.org/simple/zk/), version: 0.5.6
    Found link https://files.pythonhosted.org/packages/f1/c6/4662f222bf57b3cc799a067f344c06721b2882f6b1af0f983771cdfe9ef8/zk-0.6.0-py3-none-any.whl#sha256=6d8902e81abffce7dc6b34bd2d2213fcbdae696320d115ff5e8df377ead5d579 (from https://pypi.org/simple/zk/), version: 0.6.0
    Found link https://files.pythonhosted.org/packages/52/e1/2d2dc972a550ae5ba43a58c19d49687f48f1f2078593a4d8d1f695ad655c/zk-0.6.0.tar.gz#sha256=e57780cf1aa20d9fbb7cea5c80c636e794f1b4ca61860d50f9ec8e06e9016d49 (from https://pypi.org/simple/zk/), version: 0.6.0
  Using version 0.6.0 (newest of versions: 0.6.0)
  Created temporary directory: /tmp/pip-unpack-380be89q
  Downloading https://files.pythonhosted.org/packages/f1/c6/4662f222bf57b3cc799a067f344c06721b2882f6b1af0f983771cdfe9ef8/zk-0.6.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/f1/c6/4662f222bf57b3cc799a067f344c06721b2882f6b1af0f983771cdfe9ef8/zk-0.6.0-py3-none-any.whl#sha256=6d8902e81abffce7dc6b34bd2d2213fcbdae696320d115ff5e8df377ead5d579 (from https://pypi.org/simple/zk/)
  Saved /tmp/tmpd0e1ryxs/zk-0.6.0-py3-none-any.whl
  Added zk==0.6.0 from https://files.pythonhosted.org/packages/f1/c6/4662f222bf57b3cc799a067f344c06721b2882f6b1af0f983771cdfe9ef8/zk-0.6.0-py3-none-any.whl#sha256=6d8902e81abffce7dc6b34bd2d2213fcbdae696320d115ff5e8df377ead5d579 to build tracker '/tmp/pip-req-tracker-3i6nkv_6'
  Removed zk==0.6.0 from https://files.pythonhosted.org/packages/f1/c6/4662f222bf57b3cc799a067f344c06721b2882f6b1af0f983771cdfe9ef8/zk-0.6.0-py3-none-any.whl#sha256=6d8902e81abffce7dc6b34bd2d2213fcbdae696320d115ff5e8df377ead5d579 from build tracker '/tmp/pip-req-tracker-3i6nkv_6'
Skipping zk, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-mg7h9p85/zk
Removed build tracker '/tmp/pip-req-tracker-3i6nkv_6'