Docs: try with setup install

epruesse · epruesse · commit e242f11676ce · 2019-05-07T21:22:19.000-06:00
See readthedocs/readthedocs.org#5545 (comment)
diff --git a/.readthedocs.yml b/.readthedocs.yml
@@ -3,7 +3,7 @@ build:
 
 python:
     version: 3.6
-    pip_install: False
+    setup_py_install: true
     extra_requirements:
       - docs
 
