Check if the supplied directory is a tomodir

    Parameters
    ----------
    directory: string
        Check if the supplied path is a valid tomodir

    Returns
    -------
    is_tomodir: bool
        True if the supplied directory is a tomodir directory

def is_tomodir(directory):
    """Check if the supplied directory is a tomodir

    Parameters
    ----------
    directory: string
        Check if the supplied path is a valid tomodir

    Returns
    -------
    is_tomodir: bool
        True if the supplied directory is a tomodir directory
    """
    if os.path.isdir(directory):
        if(os.path.isdir(directory + "/exe") and
           os.path.isdir(directory + "/config") and
           os.path.isdir(directory + "/rho") and
           os.path.isdir(directory + "/inv") and
           os.path.isdir(directory + "/mod")):
                return True
        else:
                return False
    else:
        return False