trepan/lib/display.py
def signature(frame):
    '''return suitable frame signature to key display expressions off of.'''
    if not frame: return None
    code = frame.f_code
    return (code.co_name, code.co_filename, code.co_firstlineno)
def signature(frame):
    '''return suitable frame signature to key display expressions off of.'''
    if not frame: return None
    code = frame.f_code
    return (code.co_name, code.co_filename, code.co_firstlineno)
def signature ( frame ) : if not frame : return None code = frame . f_code return ( code . co_name , code . co_filename , code . co_firstlineno )
return suitable frame signature to key display expressions off of.
return suitable frame signature to key display expressions off of .