Using slightly older numpy for the py2.7 astropy 1.3 appveyor setup

bsipocz · bsipocz · commit bf28f182780f · 2018-01-22T14:36:45.000Z
diff --git a/appveyor.yml b/appveyor.yml
@@ -18,7 +18,7 @@ environment:
   matrix:
       - PYTHON_VERSION: "2.7"
         ASTROPY_VERSION: "1.3"
-        NUMPY_VERSION: "stable"
+        NUMPY_VERSION: "1.13"
 
       - PYTHON_VERSION: "3.6"
         ASTROPY_VERSION: "stable"
