from sympy import *
from spb import *
x, u, a, b = symbols("x, u, a, b")
graphics(
    contour_abs_arg(
        sqrt(x) * exp(u * x), prange(x, -3*a-b*3j, 3*a+b*3j),
        arg=False, use_cm=True,
        params={
            u: (0.25, 0, 1),
            a: (1, 0, 2),
            b: (1, 0, 2)
        }),
    grid=False)