Fix lint

src/pystencils/backend/kernelcreation/freeze.py

 from typing import overload, cast, Any
 from functools import reduce
-from operator import add, mul, sub, truediv
+from operator import add, mul, sub
 
 import sympy as sp
-import sympy.core.relational
 import sympy.logic.boolalg
 from sympy.codegen.ast import AssignmentBase, AugmentedAssignment
 
@@ -184,7 +183,7 @@ class FreezeExpressions:
         assert isinstance(lhs, PsSymbolExpr)
 
         orig_lhs_symb = lhs.symbol
-        dtype = rhs.dtype # TODO: kernel with (implicit) up/downcasts?
+        dtype = rhs.dtype  # TODO: kernel with (implicit) up/downcasts?
 
         # replace original symbol with pointer-based type used for export
         orig_lhs_symb_as_ptr = PsSymbol(orig_lhs_symb.name, PsPointerType(dtype))

src/pystencils/codegen/driver.py

@@ -7,7 +7,7 @@ from .config import CreateKernelConfig, OpenMpConfig, VectorizationConfig, AUTO
 from .kernel import Kernel, GpuKernel, GpuThreadsRange
 from .properties import PsSymbolProperty, FieldShape, FieldStride, FieldBasePtr, ReductionPointerVariable
 from .parameters import Parameter
-from ..backend.ast.expressions import PsSymbolExpr, PsMemAcc, PsConstantExpr, PsExpression
+from ..backend.ast.expressions import PsSymbolExpr, PsMemAcc, PsConstantExpr
 from ..sympyextensions.binop_mapping import binop_str_to_expr
 
 from ..types import create_numeric_type, PsIntegerType, PsScalarType