diff --git a/examples/wave/wave-op-var-velocity.py b/examples/wave/wave-op-var-velocity.py
index 3774ff1256a80e20a4b1e7bc19d5fa1cb025f5f1..0b1635a02182438452f0d8cfe6fee81b397d4075 100644
--- a/examples/wave/wave-op-var-velocity.py
+++ b/examples/wave/wave-op-var-velocity.py
@@ -91,7 +91,8 @@ def wave_operator(dcoll, c, w):
             dcoll,
             flat_obj_array(
                 -op.weak_local_div(dcoll, dd_quad, c_quad*v_quad),
-                -op.weak_local_grad(dcoll, dd_quad, c_quad*u_quad)
+                -op.weak_local_grad(dcoll, dd_quad, c_quad*u_quad) \
+                # pylint: disable=E1130
             ) + op.face_mass(
                 dcoll,
                 dd_allfaces_quad,
diff --git a/grudge/op.py b/grudge/op.py
index 4d6974f51a4588d1bac09e95fee40ae8451049eb..ee4434abcdc3634bb94b6080e4330db717132f95 100644
--- a/grudge/op.py
+++ b/grudge/op.py
@@ -1089,7 +1089,7 @@ def interior_trace_pairs(dcoll, vec):
 def interior_trace_pair(dcoll, vec):
     from warnings import warn
     warn("`interior_trace_pair` is deprecated and will be dropped "
-         "in version 2022.x. Use `interior_trace_pairs` instead, ",
+         "in version 2022.x. Use `interior_trace_pairs` instead, "
          "which includes contributions from different MPI ranks.",
          DeprecationWarning, stacklevel=2)
     return _interior_trace_pair(dcoll, vec)