Fix linter

pystencils/astnodes.py

@@ -9,7 +9,6 @@ import pystencils
 from pystencils.typing.utilities import create_type, get_next_parent_of_type
 from pystencils.enums import Target, Backend
 from pystencils.field import Field
-from pystencils.struct import Struct
 from pystencils.typing.typed_sympy import FieldPointerSymbol, FieldShapeSymbol, FieldStrideSymbol, TypedSymbol
 from pystencils.sympyextensions import fast_subs
 

pystencils/kernel_contrains_check.py

@@ -133,4 +133,3 @@ class KernelConstraintsCheck:
                 raise ValueError(f"Violation of loop independence condition. Field {field_access.field} is read at "
                                  f"{field_access.offsets} and written at {write_offset}")
         self.fields_read.add(field_access.field)
-

pystencils/transformations.py

@@ -6,7 +6,6 @@ from copy import deepcopy
 from types import MappingProxyType
 from typing import Set
 
-import numpy as np
 import sympy as sp
 
 import pystencils as ps