Update sphinx from 1.6.6 to 1.7.1 (#444)

pyup.io bot · jettify · commit 101b336e4640 · 2018-03-10T22:53:51.000+02:00
diff --git a/requirements.txt b/requirements.txt
@@ -4,7 +4,7 @@ ipdb==0.11
 ipython==6.2.1
 flake8==3.4.1
 -e .[sa]
-sphinx==1.6.6
+sphinx==1.7.1
 tox==2.8.1
 pytest==3.3.2
 pytest-cov==2.5.1
