Windows tests fail during tox setup with:
[2019/09/27 14:24:02.099] ERROR: InterpreterNotFound: c:/python/Python36/python.exe
Full log:
[2019/09/27 14:23:54.059] + /cygdrive/c/python/Python36/python.exe -m virtualenv motorenv [2019/09/27 14:23:55.070] Using base prefix 'C:\\python\\Python36' [2019/09/27 14:23:55.070] New python executable in C:\data\mci\57f178f465a0a49f2cbbd1123fe99727\src\motorenv\Scripts\python.exe [2019/09/27 14:23:58.724] Installing setuptools, pip, wheel...done. [2019/09/27 14:23:58.724] total 45 [2019/09/27 14:23:58.724] drwxrwxr-x+ 1 Administrator None 0 Aug 31 2017 Include [2019/09/27 14:23:58.724] drwxrwxr-x+ 1 Administrator None 0 Sep 27 21:23 Lib [2019/09/27 14:23:58.724] drwxrwxr-x+ 1 Administrator None 0 Sep 27 21:23 Scripts [2019/09/27 14:23:58.724] -rwxrwxr-x+ 1 Administrator None 61 Sep 27 21:23 pip-selfcheck.json [2019/09/27 14:23:58.724] drwxrwxr-x+ 1 Administrator None 0 Sep 27 21:23 tcl [2019/09/27 14:23:59.486] Collecting tox [2019/09/27 14:23:59.486] Using cached https://files.pythonhosted.org/packages/a7/0c/ed234b83d2c4fcef1cfccf97371183d51dafae62e64334de34d0a6333114/tox-3.14.0-py2.py3-none-any.whl [2019/09/27 14:23:59.608] Collecting virtualenv>=14.0.0 (from tox) [2019/09/27 14:23:59.608] Using cached https://files.pythonhosted.org/packages/8b/12/8d4f45b8962b03ac9efefe5ed5053f6b29334d83e438b4fe379d21c0cb8e/virtualenv-16.7.5-py2.py3-none-any.whl [2019/09/27 14:23:59.692] Collecting packaging>=14 (from tox) [2019/09/27 14:23:59.692] Using cached https://files.pythonhosted.org/packages/cf/94/9672c2d4b126e74c4496c6b3c58a8b51d6419267be9e70660ba23374c875/packaging-19.2-py2.py3-none-any.whl [2019/09/27 14:23:59.738] Collecting py<2,>=1.4.17 (from tox) [2019/09/27 14:23:59.738] Using cached https://files.pythonhosted.org/packages/76/bc/394ad449851729244a97857ee14d7cba61ddb268dce3db538ba2f2ba1f0f/py-1.8.0-py2.py3-none-any.whl [2019/09/27 14:23:59.782] Collecting six<2,>=1.0.0 (from tox) [2019/09/27 14:23:59.782] Using cached https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl [2019/09/27 14:23:59.812] Collecting pluggy<1,>=0.12.0 (from tox) [2019/09/27 14:23:59.812] Using cached https://files.pythonhosted.org/packages/92/c7/48439f7d5fd6bddb4c04b850bb862b42e3e2b98570040dfaf68aedd8114b/pluggy-0.13.0-py2.py3-none-any.whl [2019/09/27 14:23:59.846] Collecting toml>=0.9.4 (from tox) [2019/09/27 14:23:59.846] Using cached https://files.pythonhosted.org/packages/a2/12/ced7105d2de62fa7c8fb5fce92cc4ce66b57c95fb875e9318dba7f8c5db0/toml-0.10.0-py2.py3-none-any.whl [2019/09/27 14:23:59.891] Collecting importlib-metadata<1,>=0.12; python_version < "3.8" (from tox) [2019/09/27 14:23:59.891] Using cached https://files.pythonhosted.org/packages/f6/d2/40b3fa882147719744e6aa50ac39cf7a22a913cbcba86a0371176c425a3b/importlib_metadata-0.23-py2.py3-none-any.whl [2019/09/27 14:23:59.934] Collecting filelock<4,>=3.0.0 (from tox) [2019/09/27 14:23:59.935] Using cached https://files.pythonhosted.org/packages/93/83/71a2ee6158bb9f39a90c0dea1637f81d5eef866e188e1971a1b1ab01a35a/filelock-3.0.12-py3-none-any.whl [2019/09/27 14:23:59.997] Collecting pyparsing>=2.0.2 (from packaging>=14->tox) [2019/09/27 14:23:59.997] Using cached https://files.pythonhosted.org/packages/11/fa/0160cd525c62d7abd076a070ff02b2b94de589f1a9789774f17d7c54058e/pyparsing-2.4.2-py2.py3-none-any.whl [2019/09/27 14:24:00.010] Collecting zipp>=0.5 (from importlib-metadata<1,>=0.12; python_version < "3.8"->tox) [2019/09/27 14:24:00.026] Using cached https://files.pythonhosted.org/packages/74/3d/1ee25a26411ba0401b43c6376d2316a71addcc72ef8690b101b4ea56d76a/zipp-0.6.0-py2.py3-none-any.whl [2019/09/27 14:24:00.041] Collecting more-itertools (from zipp>=0.5->importlib-metadata<1,>=0.12; python_version < "3.8"->tox) [2019/09/27 14:24:00.063] Using cached https://files.pythonhosted.org/packages/45/dc/3241eef99eb45f1def35cf93af35d1cf9ef4c0991792583b8f33ea41b092/more_itertools-7.2.0-py3-none-any.whl [2019/09/27 14:24:00.136] Installing collected packages: virtualenv, six, pyparsing, packaging, py, more-itertools, zipp, importlib-metadata, pluggy, toml, filelock, tox [2019/09/27 14:24:01.098] Successfully installed filelock-3.0.12 importlib-metadata-0.23 more-itertools-7.2.0 packaging-19.2 pluggy-0.13.0 py-1.8.0 pyparsing-2.4.2 six-1.12.0 toml-0.10.0 tox-3.14.0 virtualenv-16.7.5 zipp-0.6.0 [2019/09/27 14:24:02.099] GLOB sdist-make: C:\data\mci\57f178f465a0a49f2cbbd1123fe99727\src\setup.py [2019/09/27 14:24:02.099] tornado_git-py36 create: C:\data\mci\57f178f465a0a49f2cbbd1123fe99727\src\.tox\tornado_git-py36 [2019/09/27 14:24:02.099] ERROR: InterpreterNotFound: c:/python/Python36/python.exe [2019/09/27 14:24:02.099] ___________________________________ summary ___________________________________ [2019/09/27 14:24:02.129] ERROR: tornado_git-py36: InterpreterNotFound: c:/python/Python36/python.exe [2019/09/27 14:24:02.129] + set +o xtrace + pip install tox + TOX_BINARY=tox + tox -e tornado_git-py36 [2019/09/27 14:24:02.129] Command failed: command encountered problem: exit status 1 [2019/09/27 14:24:02.129] Task completed - FAILURE.