Build docs with Python 3.7 on conda

takluyver · web-flow · commit 56533ff2f3a9 · 2019-04-25T11:04:19.000+01:00
This might fix some failures to build on RTD, where Sphinx is failing to import something from the typing module.
diff --git a/docs/environment.yml b/docs/environment.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
 dependencies:
 - pyzmq
-- python==3.5
+- python==3.7
 - traitlets>=4.1
 - jupyter_core
 - sphinx>=1.3.6
