def parameter_signatures(par, model, tspan):
    """

    :param par: parameter file path or vector of parameters
    :param model: PySB model
    :param tspan: time span
    :return: tropical signatures of input parameters
    """

    try:
        if os.path.isfile(par):
            parames = hf.read_pars(par)
        else:
            parames = par
        drivers = run_tropical(model, tspan, parameters=parames, sp_visualize=None)
        return drivers
    except:
        print(par)
        print("".join(traceback.format_exception(*sys.exc_info())))
        raise Exception("".join(traceback.format_exception(*sys.exc_info())))
from mm_simple_model import model
from tropicalize import run_tropical
import numpy as np

tspan = np.linspace(0, 5, 51)

run_tropical(model, tspan, sp_visualize=[3, 5])