lock spelling on version that works

dbu · dbu · commit e3d63117b1d8 · 2019-04-02T14:00:48.000+02:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,6 +1,6 @@
 git+https://github.com/fabpot/sphinx-php.git
 sphinx~=1.4.0
 sphinx-rtd-theme==0.1.6
-sphinxcontrib-spelling
+sphinxcontrib-spelling=4.2.0
 pyenchant
 docutils==0.12
