test(conditions): use `safe_diff` instead of `diff`
@@ -8,7 +8,7 @@ from neurodiffeq.conditions import DirichletBVP
from neurodiffeq.conditions import DirichletBVP2D
from neurodiffeq.conditions import IBVP1D
from neurodiffeq.networks import FCNN
-from neurodiffeq.neurodiffeq import diff
+from neurodiffeq.neurodiffeq import safe_diff as diff
from pytest import raises
MAGIC = 42
