try to fix py3.8 osx build

ivanov · ivanov · commit c6013fb20064 · 2019-10-22T16:51:13.000-07:00
as per matthew-brett/multibuild@d31cfdd...160edd7#diff-34caef166be40fc12c3bef396d31b5dc
diff --git a/.travis.yml b/.travis.yml
@@ -66,6 +66,8 @@ matrix:
         - MB_PYTHON_VERSION=3.8
         - NP_BUILD_DEP=1.14.5
         - NP_TEST_DEP=1.14.5
+        - MB_PYTHON_OSX_VER=10.9
+        - MB_ML_VER=2010
     - os: osx
       language: generic
       env:
