Stackless issue python#210: Use Python 3.5 to build the documentation at RTD

Anselm Kruis · Anselm Kruis · commit 75b4b69cdab6 · 2019-01-19T13:26:13.000+01:00
Since bpo-32174 Python 3 is required to build the documentation.
diff --git a/.readthedocs.yml b/.readthedocs.yml
@@ -1,3 +1,8 @@
 # Don't build any extra formats
-formats:
-    - none
+formats: []
+
+build:
+    image: 2.0
+
+python:
+    version: 3.5
