load python module functions.

    Args:
        module: python module

    Returns:
        dict: functions mapping for specified python module

            {
                "func1_name": func1,
                "func2_name": func2
            }

def load_module_functions(module):
    """ load python module functions.

    Args:
        module: python module

    Returns:
        dict: functions mapping for specified python module

            {
                "func1_name": func1,
                "func2_name": func2
            }

    """
    module_functions = {}

    for name, item in vars(module).items():
        if validator.is_function(item):
            module_functions[name] = item

    return module_functions