Specifically this was the change I had made in the 1.1.x branch.
diff --git a/build-support/bin/release.sh b/build-support/bin/release.sh
index 25d39ad..0669ff4 100755
--- a/build-support/bin/release.sh
+++ b/build-support/bin/release.sh
@@ -337,7 +337,7 @@ function get_owners() {
latest_package_path=$(
curl -s
https://pypi.python.org/pypi/${package_name} | \
- grep -oE "/pypi/${package_name}/[0-9]+\.[0-9]+\.[0-9]+(-(rc|pre)[0-9]+)?" | head -n1
+ grep -oE "/pypi/${package_name}/[0-9]+\.[0-9]+\.[0-9]+(-(rc|dev)[0-9]+)?" | head -n1
)
curl -s "
https://pypi.python.org${latest_package_path}" | \
grep -A1 "Owner" | tail -1 | \