v1.8.1
* cherry-pick 2ee79a63fc1a5ba3b7f75e1ce87dcc61e4d631e4 Signed-off-by: Chun-Wei Chen <jacky82226@gmail.com> * cherry-pick 5e8bc2c6c6079eef8de10c3743fb67a8a364d885 Signed-off-by: Chun-Wei Chen <jacky82226@gmail.com> * version bump 1.8.1 and remove python 2.7 Signed-off-by: Chun-Wei Chen <jacky82226@gmail.com> * use 1.8.0.1 to test package Signed-off-by: Chun-Wei Chen <jacky82226@gmail.com> Co-authored-by: Ashwini Khade <askhade@microsoft.com>