new imports

from pathlib import Path

from warnings import warn

import numpy as np

import scipy.optimize as opt

from scipy.optimize import minimize as scipy_minimize

from scipy.optimize._optimize import _prepare_scalar_function, _LineSearchError, _epsilon, _line_search_wolfe12, _status_message, OptimizeResult

from scipy.linalg import svd

from scipy.optimize._linesearch import _cubicmin, _quadmin, LineSearchWarning

from scipy.linalg import svd, solve

from numpy.linalg import eig

from scipy.special import loggamma, erf

matplotlib.use('agg')

import matplotlib.pyplot as plt

import matplotlib.colors as mlibcolors

from matplotlib.patches import Ellipse

from matplotlib.patches import Ellipse, Circle

from mantid.simpleapi import *

from mantid.api import *