fix: resolve final pylint warnings for clean run

Author: wjhuggins

qualtran/surface_code/flasq/measurement_depth.py

@@ -201,7 +201,7 @@ def _cbloq_measurement_depth(
         else:  # pragma: no cover
             # This case should ideally not be reached with valid CompositeBloqs
             logger.warning(
-                "Unexpected node type %s found in binst_graph for %s. " "Assigning 0 depth.",
+                "Unexpected node type %s found in binst_graph for %s. Assigning 0 depth.",
                 type(node),
                 cbloq,
             )

qualtran/surface_code/flasq/span_counting_test.py

@@ -184,7 +184,7 @@ def test_mul_wrong_type_raises(self):
         """Multiplying by a non-numeric type should raise TypeError (L105-107)."""
         gs = GateSpan(connect_span=1, compute_span=1)
         with pytest.raises(TypeError, match="Can only multiply"):
-            gs * "bad"
+            _ = gs * "bad"
 
     def test_mul_by_sympy_expr(self):
         """Multiplying by a sympy expression should work."""