Add correct builder to ReadTheDocs configuration

pradyunsg · web-flow · commit e50bf782daa3 · 2019-08-05T18:09:07.000+05:30
diff --git a/.readthedocs.yml b/.readthedocs.yml
@@ -1,6 +1,7 @@
 version: 2
 
 sphinx:
+  builder: htmldir
   configuration: docs/html/conf.py
 
 python:
