Update sphinx from 2.0.1 to 2.1.0 (#649)

pyup-bot · n2ygk · commit 32a9d11db7c3 · 2019-06-07T12:00:12.000-04:00
(no need to wait for codecov)
diff --git a/requirements-development.txt b/requirements-development.txt
@@ -13,6 +13,6 @@ pytest-cov==2.7.1
 pytest-django==3.5.0
 pytest-factoryboy==2.0.2
 recommonmark==0.5.0
-Sphinx==2.0.1
+Sphinx==2.1.0
 sphinx_rtd_theme==0.4.3
 twine==1.13.0
