> ImportError: cannot import name 'Meta' from 'docutils.parsers.rst.directives.misc' (
This commit tries to resolve this by removing the 'docutils<0.18'
requirements entry.
https://blog.readthedocs.com/build-errors-docutils-0-18/
For #1848
Hoping this fixes it. Readthedocs emails me whenever doc build fails, and
for the past week or two, it has said the following:
```
Running Sphinx v1.8.5
loading translations [en]... done
making output directory...
building [mo]: targets for 0 po files that are out of date
building [html]: targets for 37 source files that are out of date
updating environment: 37 added, 0 changed, 0 removed
reading sources... [ 2%] changelog
reading sources... [ 5%] changelog_links
reading sources... [ 8%] cli-reference
Traceback (most recent call last):
File "/home/docs/checkouts/readthedocs.org/user_builds/fpm/envs/latest/lib/python2.7/site-packages/sphinx/cmd/build.py", line 304, in build_main
app.build(args.force_all, filenames)
[ ... cut for brevity ... ]
File "/home/docs/checkouts/readthedocs.org/user_builds/fpm/envs/latest/lib/python2.7/site-packages/sphinx/util/nodes.py", line 94, in apply_source_workaround
for classifier in reversed(node.parent.traverse(nodes.classifier)):
TypeError: argument to reversed() must be a sequence
```
Jordan Sissel