Created temporary directory: /tmp/pip-ephem-wheel-cache-lq477rn6
Created temporary directory: /tmp/pip-req-tracker-3pq9qxsj
Created requirements tracker '/tmp/pip-req-tracker-3pq9qxsj'
Created temporary directory: /tmp/pip-wheel-hc0j4t3o
Collecting mlagents-envs==0.6.0
  1 location(s) to search for versions of mlagents-envs:
  * https://pypi.org/simple/mlagents-envs/
  Getting page https://pypi.org/simple/mlagents-envs/
  Analyzing links from page https://pypi.org/simple/mlagents-envs/
    Found link https://files.pythonhosted.org/packages/d6/05/96adbcaca905803e084cc6514eef65710b1a34df738152950db0ee8b453c/mlagents_envs-0.6.0-py3-none-any.whl#sha256=95c807a1f554302e8adaa7857d2d230bf70e0b95dc0bb95789e427322a707db2 (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7), version: 0.6.0
    Found link https://files.pythonhosted.org/packages/c0/04/81e43f18e765a5d365a811877f508ed1ebf80f67bc7fd285ec00103fe7ae/mlagents_envs-0.6.0.tar.gz#sha256=b3a983b737daebb466b489f5c9752ee01a118aaca0da4b197f09749c8981c6be (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7), version: 0.6.0
  Using version 0.6.0 (newest of versions: 0.6.0)
  Created temporary directory: /tmp/pip-unpack-b3dpp9mk
  Downloading https://files.pythonhosted.org/packages/d6/05/96adbcaca905803e084cc6514eef65710b1a34df738152950db0ee8b453c/mlagents_envs-0.6.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/d6/05/96adbcaca905803e084cc6514eef65710b1a34df738152950db0ee8b453c/mlagents_envs-0.6.0-py3-none-any.whl#sha256=95c807a1f554302e8adaa7857d2d230bf70e0b95dc0bb95789e427322a707db2 (from https://pypi.org/simple/mlagents-envs/) (requires-python:>=3.5,<=3.7)
  Saved /tmp/tmpxo7ra79v/mlagents_envs-0.6.0-py3-none-any.whl
  Added mlagents-envs==0.6.0 from https://files.pythonhosted.org/packages/d6/05/96adbcaca905803e084cc6514eef65710b1a34df738152950db0ee8b453c/mlagents_envs-0.6.0-py3-none-any.whl#sha256=95c807a1f554302e8adaa7857d2d230bf70e0b95dc0bb95789e427322a707db2 to build tracker '/tmp/pip-req-tracker-3pq9qxsj'
  Removed mlagents-envs==0.6.0 from https://files.pythonhosted.org/packages/d6/05/96adbcaca905803e084cc6514eef65710b1a34df738152950db0ee8b453c/mlagents_envs-0.6.0-py3-none-any.whl#sha256=95c807a1f554302e8adaa7857d2d230bf70e0b95dc0bb95789e427322a707db2 from build tracker '/tmp/pip-req-tracker-3pq9qxsj'
Skipping mlagents-envs, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-hc0j4t3o/mlagents-envs
Removed build tracker '/tmp/pip-req-tracker-3pq9qxsj'