Merge pull request #435 from weakish/release-2-4-0

docs: prepare to release 2.4.0

Author: weakish

changelog

@@ -1,3 +1,7 @@
+## [2.4.0] - 2019-12-11
+### Added
+- creating conversations supports `is_unique`
+
 ## [2.3.0] - 2019-12-02
 ### Added
 - support for Android Key (`LEANCLOUD_APP_ANDX_KEY`) in LeanEngine

setup.py

@@ -25,7 +25,7 @@
 
 setup(
     name='leancloud',
-    version='2.3.0',
+    version='2.4.0',
     description='LeanCloud Python SDK',
     url='https://leancloud.cn/',
     author='asaka',