Merge pull request #247 from gpengzhi/bump-version

Bump version to v0.2.4

Author: gpengzhi

CHANGELOG.md

@@ -2,12 +2,30 @@
 
 ### New features
 
-* Support only Python 3.6 and 3.7. Drop support of older Python versions.
+### Feature improvements
+
+### Fixes
+
+## [v0.2.4](https://github.com/asyml/texar/releases/tag/v0.2.4) (2019-11-18)
+
+### New features
+
+* Support only Python 3.6 and 3.7. Drop support of older Python versions. ([#211](https://github.com/asyml/texar/pull/211))
+* Add Tokenizers including tokenizers for pretrained models (`BERTTokenizer`, `XLNetTokenizer`, etc). ([#225](https://github.com/asyml/texar/pull/225))
+* Add GPT2 modules (`GPT2Encoder`, `GPT2Decoder`, `GPT2Classifier`, etc). ([#228](https://github.com/asyml/texar/pull/228))
 
 ### Feature improvements
 
+* Update embedder modules `dropout_strategy=='item'` to support TensorFlow v1.15. ([#231](https://github.com/asyml/texar/pull/231))
+* Update `.gitignore` and add `.gitignore` files to all examples. ([#233](https://github.com/asyml/texar/pull/233)) 
+* Polish code style according to flake8. ([#234](https://github.com/asyml/texar/pull/234))
+* Add GPT2 XL pretrained checkpoint. ([#243](https://github.com/asyml/texar/pull/243))
+
 ### Fixes
 
+* Fix `examples/transformer/scripts/wmt14_en_de.sh` to create output dir automatically. ([#238](https://github.com/asyml/texar/pull/238))
+* Fix variable scope issue in `texar.tf.modules.decoders.dynamic_decode`. ([#246](https://github.com/asyml/texar/pull/246))
+
 ## [v0.2.3](https://github.com/asyml/texar/releases/tag/v0.2.3) (2019-09-22)
 
 ### New features

setup.py

@@ -1,8 +1,9 @@
+import sys
 import setuptools
 
 
 long_description = '''
-Texar is an open-source toolkit based on Tensorflow,
+Texar is an open-source toolkit based on TensorFlow,
 aiming to support a broad set of machine learning especially text generation
 tasks, such as machine translation, dialog, summarization, content manipulation,
 language modeling, and so on.
@@ -13,9 +14,12 @@
 interfaces.
 '''
 
+if sys.version_info < (3, 6):
+    sys.exit('Python>=3.6 is required by Texar.')
+
 setuptools.setup(
     name="texar",
-    version="0.2.4-unreleased",
+    version="0.2.4",
     url="https://github.com/asyml/texar",
 
     description="Toolkit for Machine Learning and Text Generation",

texar/tf/version.py

@@ -14,7 +14,7 @@
 
 _MAJOR = "0"
 _MINOR = "2"
-_REVISION = "4-unreleased"
+_REVISION = "4"
 
 VERSION_SHORT = "{0}.{1}".format(_MAJOR, _MINOR)
 VERSION = "{0}.{1}.{2}".format(_MAJOR, _MINOR, _REVISION)