Hi Robinson,

When we doing the internal test, the issue is found that py27 is blocked by this patch.
You can reproduce the error with below steps:

For Linux:
[Error Reproduce steps]
$ export PYTHON3_ENABLE=FALSE
$ export PYTHON_COMMAND=/usr/bin/python2.7
$ build -p OvmfPkg/OvmfPkgIa32X64.dsc -a IA32 -a X64 -t GCC5
Active Platform = /home/jshi19/wksp_efi/edk2-3/OvmfPkg/OvmfPkgIa32X64.dsc
......
- Failed -
Build end time: 13:00:59, Aug.10 2021
Build total time: 00:00:07

[After Reverting the patch]
$ git revert 0b1b0a9674e27c858f05436ed92250f4498245cf
$ build -p OvmfPkg/OvmfPkgIa32X64.dsc -a IA32 -a X64 -t GCC5
Pass


For Windows:
[Error Reproduce steps]
set PYTHON3_ENABLE=FALSE
set PYTHON_COMMAND=C:\Python27\python.exe
build -p OvmfPkg\OvmfPkgIa32X64.dsc -a IA32 -a X64 -t VS2015x86
Active Platform = c:\users\yuweiche\code\edk2\edk2\OvmfPkg\OvmfPkgIa32X64.dsc
......
- Failed -
Build end time: 15:40:35, Aug.10 2021
Build total time: 00:00:07

[After Reverting the patch]
$ git revert 0b1b0a9674e27c858f05436ed92250f4498245cf
$ build -p OvmfPkg\OvmfPkgIa32X64.dsc -a IA32 -a X64 -t VS2015x86
- Done -
Build end time: 15:35:16, Aug.10 2021
Build total time: 00:01:58


Hope you can fix this bug. 😊 @crobinso@...

Hi Liming @Liming Gao, what do you think about this issue? If we need fix it before this quarter release?

Thanks,
Yuwei (Christine)