CI(appveyor.yml): pip install --upgrade wheel

diff --git a/project_template/appveyor.yml b/project_template/appveyor.yml
index cddc5e5..0a2e20d 100644 (file)
--- a/project_template/appveyor.yml
+++ b/project_template/appveyor.yml
@@ -84,7 +84,7 @@ test_script:
 #after_test:
 #  # If tests are successful and we've tested a tag, create binary package
 #  - if "%APPVEYOR_REPO_TAG%" == "true" (
-#      pip install wheel &&
+#      pip install --upgrade wheel &&
 #      %CMD_IN_ENV% python setup.py bdist_wheel &&
 #      ls dist
 #    )