Bump to 0.31.0 (#1770)

Prepare a new release, ideally before next TF release.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

Author: yongtang

README.md

@@ -126,6 +126,7 @@ of releases [here](https://github.com/tensorflow/io/releases).
 
 | TensorFlow I/O Version | TensorFlow Compatibility | Release Date |
 | --- | --- | --- |
+| 0.31.0 | 2.11.x | Feb 25, 2022 |
 | 0.30.0 | 2.11.x | Jan 20, 2022 |
 | 0.29.0 | 2.11.x | Dec 18, 2022 |
 | 0.28.0 | 2.11.x | Nov 21, 2022 |

RELEASE.md

@@ -1,3 +1,17 @@
+# Release 0.31.0
+
+## Major Features and Bug Fixes
+* Fix isdir issue in HTTP file system
+
+## Thanks to our Contributors
+
+This release contains contributions from many people:
+
+Zhuo Peng, Yong Tang
+
+We are also grateful to all who filed issues or helped resolve them, asked and
+answered questions, and were part of inspiring discussions.
+
 # Release 0.30.0
 
 ## Major Features and Bug Fixes

tensorflow_io/python/ops/version_ops.py

@@ -14,5 +14,5 @@
 # ==============================================================================
 """version_ops"""
 
-version = "0.30.0"
+version = "0.31.0"
 require = "tensorflow>=2.11.0,<2.12.0"

tests/test_http.py

@@ -118,6 +118,5 @@ def test_gfile_isdir(remote_filename):
     assert not tf.io.gfile.isdir("https://not-a-valid-domain/tfio-test")
 
 
-
 if __name__ == "__main__":
     tf.test.main()