Post PR #4559: add back .dev1 to version numbers. (#4561)

Author: dhermes

packages/google-cloud-pubsub/CHANGELOG.md

@@ -49,7 +49,7 @@ PyPI: https://pypi.org/project/google-cloud-pubsub/0.29.4/
 - Upgrading `google-api-core` dependency to latest revision (`0.1.2`)
   since we rely on the latest version of the `concurrent.futures` backport
   to provide the `thread_name_prefix` argument for thread pool
-  executor (#4521, #XYZ).
+  executor (#4521, #4559).
 
 PyPI: https://pypi.org/project/google-cloud-pubsub/0.29.3/
 

packages/google-cloud-pubsub/setup.py

@@ -59,7 +59,7 @@
 
 setup(
     name='google-cloud-pubsub',
-    version='0.29.4',
+    version='0.29.5.dev1',
     description='Python Client for Google Cloud Pub/Sub',
     long_description=README,
     namespace_packages=[