silencing another warnings see #81

Grid2op · Apr 8, 2024 · 0b26656 · 0b26656
1 parent 61ce186
commit 0b26656
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lightsim2grid/newtonpf/newtonpf.py b/lightsim2grid/newtonpf/newtonpf.py
@@ -39,7 +39,7 @@ def _get_valid_solver(options, Ybus):
     else:
         solver = KLUSolverSingleSlack() if KLU_solver_available else SparseLUSolverSingleSlack()
 
-    if ~sparse.isspmatrix_csc(Ybus):
+    if not sparse.isspmatrix_csc(Ybus):
         Ybus = sparse.csc_matrix(Ybus)
 
     if not Ybus.has_canonical_format: