Read the Docs build information Build id: 12222 Project: calibrationreport Version: feat-add_instr_in_tree Commit: 8a71f51c92296c92b39a6ab457947a24155c6a23 Date: 2019-09-04T10:53:19.315040Z State: finished Success: False [rtd-command-info] start-time: 2019-09-04T15:53:29.399000Z, end-time: 2019-09-04T15:53:45.463000Z, duration: 16, exit-code: 0 python3 -mvirtualenv --no-site-packages --no-download /user_builds/calibrationreport/envs/feat-add_instr_in_tree Using base prefix '/usr' New python executable in /user_builds/calibrationreport/envs/feat-add_instr_in_tree/bin/python3 Not overwriting existing python script /user_builds/calibrationreport/envs/feat-add_instr_in_tree/bin/python (you must use /user_builds/calibrationreport/envs/feat-add_instr_in_tree/bin/python3) Installing setuptools, pip, wheel...done. [rtd-command-info] start-time: 2019-09-04T15:53:45.529000Z, end-time: 2019-09-04T15:53:56.812000Z, duration: 11, exit-code: 2 python /user_builds/calibrationreport/envs/feat-add_instr_in_tree/bin/pip install --use-wheel -U --cache-dir /user_builds/calibrationreport/.cache/pip sphinx==1.3.5 Pygments==2.1.3 setuptools==20.1.1 docutils==0.12 mkdocs==0.15.0 mock==1.0.1 pillow==2.6.1 git+https://github.com/rtfd/readthedocs-sphinx-ext.git@0.6-alpha#egg=readthedocs-sphinx-ext sphinx-rtd-theme==0.1.9 alabaster>=0.7,<0.8,!=0.7.5 commonmark==0.5.4 recommonmark==0.1.1 Collecting sphinx==1.3.5 Using cached https://files.pythonhosted.org/packages/ff/91/45883bc962bda1be7e78039b41cc15e1eb3327ec75679eedd067b5d07bd5/Sphinx-1.3.5-py2.py3-none-any.whl Collecting Pygments==2.1.3 Using cached https://files.pythonhosted.org/packages/9e/d0/d692085518c6a2dc875fe421c866fb6a08e0d9796ca507803c1e545fa116/Pygments-2.1.3-py2.py3-none-any.whl Collecting setuptools==20.1.1 Using cached https://files.pythonhosted.org/packages/e8/82/3b5455f74bf9ac0757d09c625b7741e6fc284d7519cffc3babb6c5173cf5/setuptools-20.1.1-py2.py3-none-any.whl Collecting docutils==0.12 Using cached https://files.pythonhosted.org/packages/c7/16/29d8de2404c5b90243b51f91315b3ce375169ceb48a68aeec0862e0143c4/docutils-0.12-py3-none-any.whl Collecting mkdocs==0.15.0 Using cached https://files.pythonhosted.org/packages/a7/10/c839adfd209aba3a5905d4a766ea354a1d03a414d6d437e10988574de70a/mkdocs-0.15.0-py2.py3-none-any.whl Collecting mock==1.0.1 Collecting pillow==2.6.1 Collecting readthedocs-sphinx-ext from git+https://github.com/rtfd/readthedocs-sphinx-ext.git@0.6-alpha#egg=readthedocs-sphinx-ext Cloning https://github.com/rtfd/readthedocs-sphinx-ext.git (to 0.6-alpha) to /tmp/pip-build-muo91l46/readthedocs-sphinx-ext Collecting sphinx-rtd-theme==0.1.9 Using cached https://files.pythonhosted.org/packages/97/d9/e27ef5a2b6b92d2cf29724c25daf0683adacc43ab5ad15dc0e9b69b464f8/sphinx_rtd_theme-0.1.9-py3-none-any.whl Collecting alabaster!=0.7.5,<0.8,>=0.7 Using cached https://files.pythonhosted.org/packages/10/ad/00b090d23a222943eb0eda509720a404f531a439e803f6538f35136cae9e/alabaster-0.7.12-py2.py3-none-any.whl Requirement already up-to-date: commonmark==0.5.4 in /user_builds/calibrationreport/envs/feat-add_instr_in_tree/lib/python3.4/site-packages Exception: Traceback (most recent call last): File "/user_builds/calibrationreport/envs/feat-add_instr_in_tree/lib/python3.4/site-packages/pip/basecommand.py", line 215, in main status = self.run(options, args) File "/user_builds/calibrationreport/envs/feat-add_instr_in_tree/lib/python3.4/site-packages/pip/commands/install.py", line 335, in run wb.build(autobuilding=True) File "/user_builds/calibrationreport/envs/feat-add_instr_in_tree/lib/python3.4/site-packages/pip/wheel.py", line 749, in build self.requirement_set.prepare_files(self.finder) File "/user_builds/calibrationreport/envs/feat-add_instr_in_tree/lib/python3.4/site-packages/pip/req/req_set.py", line 380, in prepare_files ignore_dependencies=self.ignore_dependencies)) File "/user_builds/calibrationreport/envs/feat-add_instr_in_tree/lib/python3.4/site-packages/pip/req/req_set.py", line 666, in _prepare_file check_dist_requires_python(dist) File "/user_builds/calibrationreport/envs/feat-add_instr_in_tree/lib/python3.4/site-packages/pip/utils/packaging.py", line 48, in check_dist_requires_python feed_parser.feed(metadata) File "/usr/lib/python3.4/email/feedparser.py", line 177, in feed self._input.push(data) File "/usr/lib/python3.4/email/feedparser.py", line 100, in push parts = data.splitlines(True) AttributeError: 'NoneType' object has no attribute 'splitlines' You are using pip version 9.0.1, however version 19.2.3 is available. You should consider upgrading via the 'pip install --upgrade pip' command.