diff --git a/pylops/utils/backend.py b/pylops/utils/backend.py index d88ec830..4b6b506f 100644 --- a/pylops/utils/backend.py +++ b/pylops/utils/backend.py @@ -26,7 +26,7 @@ ] from types import ModuleType -from typing import Callable, Union +from typing import Callable import numpy as np import numpy.typing as npt