BLD: pin numpy to particular variant that is built for all our deps

jreback · jreback · commit f3e00a505c10 · 2017-09-21T15:40:57.000-04:00
closes #17617
diff --git a/ci/requirements-3.6.build b/ci/requirements-3.6.build
@@ -2,5 +2,7 @@ python=3.6*
 python-dateutil
 pytz
 nomkl
-numpy
 cython
+
+# pin numpy that is built for all our deps
+numpy=1.13.1=py36_blas_openblas_200
