aplpy 2.0+ requires astropy 3.1+
@@ -105,7 +105,7 @@ matrix:
- os: linux
stage: Tests with other Python/Numpy versions
env: PYTHON_VERSION=3.5.5 NUMPY_VERSION=1.12 KEYRING_VERSION='<12.0'
- ASTROPY_VERSION=3.0
+ ASTROPY_VERSION=3.0 APLPY_VERSION='<2.0'
- os: linux
stage: Tests with other Python/Numpy versions
