remove artefacts
from typing import Iterable, List, Sequence, TYPE_CHECKING, Tuple
from libc.math cimport fabs, sin, cos, M_PI, hypot, atan2, acos, sqrt, fmod
import random
-from cpython cimport array
-import array
DEF ABS_TOL = 1e-12
DEF REL_TOL = 1e-9
