def launch(prompt_prefix=None):
    '''Launch a subshell'''

    if prompt_prefix:
        os.environ['PROMPT'] = prompt(prompt_prefix)

    subprocess.call(cmd(), env=os.environ.data)
def launch(prompt_prefix=None):
    '''Launch a subshell'''

    if prompt_prefix:
        os.environ['PROMPT'] = prompt(prompt_prefix)

    subprocess.call(cmd(), env=os.environ.data)
def launch ( prompt_prefix = None ) : if prompt_prefix : os . environ [ 'PROMPT' ] = prompt ( prompt_prefix ) subprocess . call ( cmd ( ) , env = os . environ . data )
Launch a subshell
Launch a subshell