test_python () {
# Note: if there is need to print debug information from python program,
# use stdout = os.fdopen(6, 'w') or stderr = os.fdopen(7, 'w')
test_python () {
# Note: if there is need to print debug information from python program,
# use stdout = os.fdopen(6, 'w') or stderr = os.fdopen(7, 'w')