try to fix timeout

Author: fangchenli

ci/deps/azure-37-minimum_versions.yaml

@@ -24,7 +24,7 @@ dependencies:
   - python-dateutil=2.7.3
   - pytz=2017.3
   - scipy=1.2
-#  - xlrd=1.1.0
+  - xlrd=1.1.0
   - xlsxwriter=1.0.2
   - xlwt=1.3.0
   - html5lib=1.0.1