============== file1.py ==================
import os

os.environ['LDTP_SERVER_ADDR']='192.168.168.104'


import ldtp

print 'import importsvr'
import file2

ldtp.click('frm*-gedit', 'btnNew')
print 'end'


============== file2.py ==================
print 'import importclient'
import importclient
print 'over'


Step under CLI:

$> python file1.py

Result:
 Can not return ??