how to fix python issue orachk?

Oracle Grid 19.8.0.0

AHF v20.4.0

update latest version: ./ahf_setup -ahf_loc /oracle/GRID/19.8.0/suptools

./orachk -a

Could not find platform independent libraries <prefix>

Could not find platform dependent libraries <exec_prefix>

Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]

Python path configuration:

 PYTHONHOME = (not set)

 PYTHONPATH = (not set)

 program name = '/opt/oracle.ahf/python/bin/python'

 isolated = 0

 environment = 1

 user site = 1

 import site = 1

 sys._base_executable = '/opt/oracle.ahf/python/bin/python'

 sys.base_prefix = '/tmp/python386'

 sys.base_exec_prefix = '/tmp/python386'

 sys.executable = '/opt/oracle.ahf/python/bin/python'

 sys.prefix = '/tmp/python386'