try install astropy helpers via pip

adrn · adrn · commit c0c5ffe50504 · 2018-05-04T15:37:29.000-04:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -14,7 +14,7 @@ pip-run: &pip-install
     python3 -m venv venv
     . venv/bin/activate
     pip install -q -r pip-requirements.txt
-    pip install sphinx
+    pip install astropy_helpers sphinx
 
 jobs:
   build:
