0.1.2 release preparation.

PiperOrigin-RevId: 257855521

Author: alanchiao

requirements.txt

@@ -2,3 +2,5 @@ absl-py~=0.7
 numpy~=1.14
 six~=1.10
 scipy
+enum34~=1.1
+mock

setup.py

@@ -36,6 +36,7 @@
 REQUIRED_PACKAGES = [
     'numpy~=1.14',
     'six~=1.10',
+    'enum34~=1.1',
 ]
 
 if '--release' in sys.argv:

tensorflow_model_optimization/python/core/version.py

@@ -17,7 +17,7 @@
 # We follow Semantic Versioning (https://semver.org/)
 _MAJOR_VERSION = '0'
 _MINOR_VERSION = '1'
-_PATCH_VERSION = '1'
+_PATCH_VERSION = '2'
 
 # When building releases, we can update this value on the release branch to
 # reflect the current release candidate ('rc0', 'rc1') or, finally, the official