release 2.2.1

Author: zsdonghao

CHANGELOG.md

@@ -67,8 +67,28 @@ To release a new version, please update the changelog as followed:
 
 <!-- YOU CAN EDIT FROM HERE -->
 
+
 ## [Unreleased]
 
+### Added
+
+### Changed
+
+### Dependencies Update
+
+### Deprecated
+
+### Fixed
+
+### Removed
+
+### Security
+
+### Contributors
+
+
+## [2.2.1]
+
 ### Added
 - Support nested layer customization (#PR 1015)
 - Support string dtype in InputLayer (#PR 1017)
@@ -532,6 +552,7 @@ To many PR for this update, please check [here](https://github.com/tensorlayer/t
 @zsdonghao @luomai @DEKHTIARJonathan
 
 [Unreleased]: https://github.com/tensorlayer/tensorlayer/compare/2.0....master
+[2.1.1]: https://github.com/tensorlayer/tensorlayer/compare/2.1.1...2.1.1
 [2.1.0]: https://github.com/tensorlayer/tensorlayer/compare/2.1.0...2.1.0
 [2.0.2]: https://github.com/tensorlayer/tensorlayer/compare/2.0.2...2.0.2
 [2.0.1]: https://github.com/tensorlayer/tensorlayer/compare/2.0.1...2.0.1

tensorlayer/package_info.py

@@ -4,7 +4,7 @@
 
 MAJOR = 2
 MINOR = 1
-PATCH = 0
+PATCH = 1
 PRE_RELEASE = ''
 # Use the following formatting: (major, minor, patch, prerelease)
 VERSION = (MAJOR, MINOR, PATCH, PRE_RELEASE)