script issue in sanity/test_sanity_l3.py

Description

we are facing following script issue

if basic_obj.is_vsonic_device(vars.D1):
E NameError: global name 'basic_obj' is not defined

sanity/test_sanity_l3.py:147: NameError

missing import apis.system.basic as basic_obj

if basic_obj.is_vsonic_device(vars.D1):
E AttributeError: 'module' object has no attribute 'is_vsonic_device'

sanity/test_sanity_l3.py:147: AttributeError

is_vsonic_device proc is missing in apis.system.basic

ping_result = ipfeature.ping(dut2, data.d1t1_ip_addr)
E NameError: global name 'dut2' is not defined

sanity/test_sanity_l3.py:160: NameError

Steps to reproduce the issue:
1.run the sanity/test_sanity_l3.py suite