compiler: Tweak for ruff happiness

FabioLuporini · FabioLuporini · commit e53597c6bcaa · 2026-05-15T08:37:46.000+01:00
diff --git a/devito/symbolics/extended_sympy.py b/devito/symbolics/extended_sympy.py
@@ -953,8 +953,8 @@ def _expected_alignment(self):
         }
         try:
             return mapper[self.function.dtype]
-        except KeyError:
-            raise ValueError(
+        except KeyError as e:
+            raise ValueError from e(
                 f"Unsupported dtype `{self.function.dtype}` for VectorAccess"
             )
 
diff --git a/tests/test_mpi.py b/tests/test_mpi.py
@@ -2238,7 +2238,7 @@ def test_merge_subset_comms_w_overlap(self, mode):
 
         op = Operator(eqns)
 
-        op.cfunction
+        _ = op.cfunction
 
         # Check generated code -- expected one halo exchange for `u` before
         # the first set of loops within `tloop`, and one halo exchange for `g`

Original file line number	Diff line number	Diff line change
`@@ -953,8 +953,8 @@ def _expected_alignment(self):`
`953`	`953`	`}`
`954`	`954`	`try:`
`955`	`955`	`return mapper[self.function.dtype]`
`956`		`- except KeyError:`
`957`		`- raise ValueError(`
	`956`	`+ except KeyError as e:`
	`957`	`+ raise ValueError from e(`
`958`	`958`	f"Unsupported dtype `{self.function.dtype}` for VectorAccess"
`959`	`959`	`)`
`960`	`960`