Update lattice.py

lbmweights/lattice.py

@@ -2,7 +2,7 @@ import numpy as np
 import sympy as sp
 import random
 from sympy import oo
-from lbmweights.utils.mylog import logger
+from .utils.mylog import logger
 from .exceptions import OrderNotImplementedException, ImpossibleVelocityShellException, ReducibleShellException, NoSolutionException, InfiniteSolutionsException, UninitializedAttributeException
 from .utils.utils import analyse_tensor_dimension, get_group, get_subshells, lattice_sum, approximate_ratio, timer, get_random_vector