Created temporary directory: /tmp/pip-ephem-wheel-cache-ppo4aset
Created temporary directory: /tmp/pip-req-tracker-fs9ggzq9
Created requirements tracker '/tmp/pip-req-tracker-fs9ggzq9'
Created temporary directory: /tmp/pip-wheel-jxyhktk5
Collecting tf2crf==0.1.5
  1 location(s) to search for versions of tf2crf:
  * https://pypi.org/simple/tf2crf/
  Getting page https://pypi.org/simple/tf2crf/
  Analyzing links from page https://pypi.org/simple/tf2crf/
    Found link https://files.pythonhosted.org/packages/86/bb/3783d9107a0da24073ef0de2fde2690646c6c54b2799a3766ae0d40e9bc3/tf2crf-0.1.0-py3-none-any.whl#sha256=a3d0f077fc7c2d0a97f7a54fa863df8b152a1ccaf33a15037d97f8b52fa7fd28 (from https://pypi.org/simple/tf2crf/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/96/5d/03da4808337e57598b0748a7e17951debf2497145718d47a587f78b86065/tf2crf-0.1.0.tar.gz#sha256=0b3e88d39249cee18eefd8586b3e671f9c34efd3c2cf872afe4cd56228ee2249 (from https://pypi.org/simple/tf2crf/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/2b/81/bc8159cd2d4ef69bde48e5193dd77c88c014cd762956bfd4cbb2e6b82b81/tf2crf-0.1.1-py3-none-any.whl#sha256=8580f671ef38d20f65c3a743fbdf62fad75719c2f53be0a2872fddf4cc05a0b5 (from https://pypi.org/simple/tf2crf/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/cf/7f/e3bf12615a95d117ae58c35e3761bf3034fc12c11a51128071670da033e9/tf2crf-0.1.1.tar.gz#sha256=bfa94c3e7751ead1d1307e3d5776c5e3e0db4a0227162869fcc71b206c36bee6 (from https://pypi.org/simple/tf2crf/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/5a/4f/cc910ded172cf183421e8a4005eacfa93bdd90f6d00680f43c6d29b78ed4/tf2crf-0.1.2-py3-none-any.whl#sha256=d5f83bbd2427b65be2e3fa3a52f376bfd9a1261412025520d008e8f06692ef02 (from https://pypi.org/simple/tf2crf/), version: 0.1.2
    Found link https://files.pythonhosted.org/packages/d6/7f/d3f331569f53f07277618306854679c7d9bc3d12dbd593191226b38de3bc/tf2crf-0.1.2.tar.gz#sha256=bffc1ca9aac17657194183e5c22628f20690f3aab63154c917af3192a9b5a020 (from https://pypi.org/simple/tf2crf/), version: 0.1.2
    Found link https://files.pythonhosted.org/packages/64/11/fdc4448fc4c5787ac05360433648fd7c17fa171aeab49b05f63b7bb362a6/tf2crf-0.1.3-py3-none-any.whl#sha256=0dfda9fbc4ad279dd2f47bacdca3e49629cc1128f11331f4a731577281ffe800 (from https://pypi.org/simple/tf2crf/), version: 0.1.3
    Found link https://files.pythonhosted.org/packages/6e/a4/784a17496633803ffbd60c24e246d63c07e3847c7b532acd4d9d332bb462/tf2crf-0.1.3.tar.gz#sha256=44b3b51a7f08aea9e109c231babba7c3b98471c81e61cc07d566e5de4ea69df2 (from https://pypi.org/simple/tf2crf/), version: 0.1.3
    Found link https://files.pythonhosted.org/packages/3b/46/f6e092c9102e3fdf9082a06a4bfafe0a9fc0d2fb90f8e421a691dbc1f8a4/tf2crf-0.1.4-py3-none-any.whl#sha256=d6e7512dd15837586861f1f607d7c73f77bacd403b0299efb182e8bcf2c62c5e (from https://pypi.org/simple/tf2crf/), version: 0.1.4
    Found link https://files.pythonhosted.org/packages/55/bd/6a321c86b1f564cbd11572559375ad09809a93401fcfcc7e273f8e324f56/tf2crf-0.1.4.tar.gz#sha256=b81fe4b1599198fea106256e18d028d560b15307bb9af3ccc59a418bad43d169 (from https://pypi.org/simple/tf2crf/), version: 0.1.4
    Found link https://files.pythonhosted.org/packages/f4/fe/698d872ad5aecc08f6553459ca151445232707aebaa1483f8fa025453ead/tf2crf-0.1.5-py3-none-any.whl#sha256=9cda1e014ab6988d46a42bd297057afb62ead76c1816c90ba91c61f6063eb193 (from https://pypi.org/simple/tf2crf/), version: 0.1.5
    Found link https://files.pythonhosted.org/packages/37/b8/6b9e488a594d17a0f18ab8f99cf015cbc7f93700f0ecf87fa5677b8b4f24/tf2crf-0.1.5.tar.gz#sha256=f6493469cdf03f2c92647c0164556ab5a109bc17f8e92526080a130dcb3ea8f7 (from https://pypi.org/simple/tf2crf/), version: 0.1.5
  Using version 0.1.5 (newest of versions: 0.1.5)
  Created temporary directory: /tmp/pip-unpack-qazfda1z
  Downloading https://files.pythonhosted.org/packages/f4/fe/698d872ad5aecc08f6553459ca151445232707aebaa1483f8fa025453ead/tf2crf-0.1.5-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/f4/fe/698d872ad5aecc08f6553459ca151445232707aebaa1483f8fa025453ead/tf2crf-0.1.5-py3-none-any.whl#sha256=9cda1e014ab6988d46a42bd297057afb62ead76c1816c90ba91c61f6063eb193 (from https://pypi.org/simple/tf2crf/)
  Saved /tmp/tmphrhmhnay/tf2crf-0.1.5-py3-none-any.whl
  Added tf2crf==0.1.5 from https://files.pythonhosted.org/packages/f4/fe/698d872ad5aecc08f6553459ca151445232707aebaa1483f8fa025453ead/tf2crf-0.1.5-py3-none-any.whl#sha256=9cda1e014ab6988d46a42bd297057afb62ead76c1816c90ba91c61f6063eb193 to build tracker '/tmp/pip-req-tracker-fs9ggzq9'
  Removed tf2crf==0.1.5 from https://files.pythonhosted.org/packages/f4/fe/698d872ad5aecc08f6553459ca151445232707aebaa1483f8fa025453ead/tf2crf-0.1.5-py3-none-any.whl#sha256=9cda1e014ab6988d46a42bd297057afb62ead76c1816c90ba91c61f6063eb193 from build tracker '/tmp/pip-req-tracker-fs9ggzq9'
Skipping tf2crf, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-jxyhktk5/tf2crf
Removed build tracker '/tmp/pip-req-tracker-fs9ggzq9'