CI: Add pip dependence explicitly (#28008)

makbigc · TomAugspurger · commit e4c4b78f1f0e · 2019-08-21T09:21:44.000-05:00
diff --git a/ci/deps/azure-macos-35.yaml b/ci/deps/azure-macos-35.yaml
@@ -22,6 +22,7 @@ dependencies:
   - xlrd
   - xlsxwriter
   - xlwt
+  - pip
   - pip:
     - pyreadstat
     # universal
