add missing import in init

src/pystencils/__init__.py

@@ -8,7 +8,12 @@ from .display_utils import get_code_obj, get_code_str, show_code, to_dot
 from .field import Field, FieldType, fields
 from .types import create_type
 from .cache import clear_cache
-from .config import CreateKernelConfig, CpuOptimConfig, VectorizationConfig
+from .config import (
+    CreateKernelConfig,
+    CpuOptimConfig,
+    VectorizationConfig,
+    OpenMpConfig,
+)
 from .kernel_decorator import kernel, kernel_config
 from .kernelcreation import create_kernel
 from .backend.kernelfunction import KernelFunction
@@ -40,6 +45,7 @@ __all__ = [
     "CreateKernelConfig",
     "CpuOptimConfig",
     "VectorizationConfig",
+    "OpenMpConfig",
     "create_kernel",
     "KernelFunction",
     "Target",