Update logic

firedrakeproject · Jun 19, 2024 · ff66e0f · ff66e0f
1 parent 692036e
commit ff66e0f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tsfc/fem.py b/tsfc/fem.py
@@ -195,7 +195,7 @@ def physical_tangents(self):
 
     def physical_normals(self):
         cell = self.interface.fiat_cell
-        if (not isinstance(cell, UFCSimplex)) and cell.get_dimension() == 2:
+        if not (isinstance(cell, UFCSimplex) and cell.get_dimension() == 2):
             raise NotImplementedError("Can't do physical normals on that cell yet")
 
         num_edges = len(cell.get_topology()[1])