diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cf6fff80d..1fd428d0e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -49,28 +49,32 @@ Python 3 POCL Examples:
   except:
   - tags
 
-Python 3 POCL Firedrake:
-  tags:
-  - "docker-runner"
-  image: "firedrakeproject/firedrake"
-  script:
-  - . .ci/install-for-firedrake.sh
-  - cd test
-  - python -m pytest --tb=native --junitxml=pytest.xml -rxsw test_firedrake_interop.py
-  artifacts:
-    reports:
-      junit: test/pytest.xml
-
-Python 3 POCL Firedrake Examples:
-  tags:
-  - "docker-runner"
-  image: "firedrakeproject/firedrake"
-  script:
-  - . .ci/install-for-firedrake.sh
-  - . ./.ci/run_firedrake_examples.sh
-  artifacts:
-    reports:
-      junit: test/pytest.xml
+# The machine shop is too old for the Firedrake container.
+# Lawrence Mitchell says that they likely build PETSc with -march=native
+# on something like Skylake.
+#
+# Python 3 POCL Firedrake:
+#   tags:
+#   - "docker-runner"
+#   image: "firedrakeproject/firedrake"
+#   script:
+#   - . .ci/install-for-firedrake.sh
+#   - cd test
+#   - python -m pytest --tb=native --junitxml=pytest.xml -rxsw test_firedrake_interop.py
+#   artifacts:
+#     reports:
+#       junit: test/pytest.xml
+#
+# Python 3 POCL Firedrake Examples:
+#   tags:
+#   - "docker-runner"
+#   image: "firedrakeproject/firedrake"
+#   script:
+#   - . .ci/install-for-firedrake.sh
+#   - . ./.ci/run_firedrake_examples.sh
+#   artifacts:
+#     reports:
+#       junit: test/pytest.xml
 
 Python 3 Conda:
   script: |
diff --git a/meshmode/mesh/__init__.py b/meshmode/mesh/__init__.py
index 2cbaa608c..01e45c57d 100644
--- a/meshmode/mesh/__init__.py
+++ b/meshmode/mesh/__init__.py
@@ -330,7 +330,7 @@ def copy(self, **kwargs: Any) -> "MeshElementGroup":
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and self.order == other.order
                 and np.array_equal(self.vertex_indices, other.vertex_indices)
                 and np.array_equal(self.nodes, other.nodes)
@@ -556,7 +556,7 @@ def copy(self, **kwargs: Any) -> "NodalAdjacency":
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and np.array_equal(self.neighbors_starts, other.neighbors_starts)
                 and np.array_equal(self.neighbors, other.neighbors))
 
@@ -612,7 +612,7 @@ def copy(self, **kwargs: Any) -> "FacialAdjacencyGroup":
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and self.igroup == other.igroup)
 
     def __ne__(self, other):
@@ -629,7 +629,7 @@ def as_python(self) -> str:
         :returns: a string that can be evaluated to reconstruct the class.
         """
 
-        if type(self) != FacialAdjacencyGroup:
+        if type(self) is not FacialAdjacencyGroup:
             raise NotImplementedError(
                     f"Not implemented for '{type(self).__name__}'.")
 
@@ -703,7 +703,7 @@ def __eq__(self, other):
             and self.aff_map == other.aff_map)
 
     def as_python(self):
-        if type(self) != InteriorAdjacencyGroup:
+        if type(self) is not InteriorAdjacencyGroup:
             raise NotImplementedError(f"Not implemented for {type(self)}.")
 
         return self._as_python(
@@ -755,7 +755,7 @@ def __eq__(self, other):
             and np.array_equal(self.element_faces, other.element_faces))
 
     def as_python(self):
-        if type(self) != BoundaryAdjacencyGroup:
+        if type(self) is not BoundaryAdjacencyGroup:
             raise NotImplementedError(f"Not implemented for {type(self)}.")
 
         return self._as_python(
@@ -837,7 +837,7 @@ def __eq__(self, other):
             and self.aff_map == other.aff_map)
 
     def as_python(self):
-        if type(self) != InterPartAdjacencyGroup:
+        if type(self) is not InterPartAdjacencyGroup:
             raise NotImplementedError(f"Not implemented for {type(self)}.")
 
         return self._as_python(
@@ -1177,7 +1177,7 @@ def facial_adjacency_groups(self) -> Sequence[Sequence[FacialAdjacencyGroup]]:
 
     def __eq__(self, other):
         return (
-                type(self) == type(other)
+                type(self) is type(other)
                 and np.array_equal(self.vertices, other.vertices)
                 and self.groups == other.groups
                 and self.vertex_id_dtype == other.vertex_id_dtype
diff --git a/meshmode/mesh/processing.py b/meshmode/mesh/processing.py
index b96aef0f7..a7e5c0792 100644
--- a/meshmode/mesh/processing.py
+++ b/meshmode/mesh/processing.py
@@ -848,7 +848,7 @@ def merge_disjoint_meshes(
         ref_group = single_valued(
             [group for mesh in meshes for group in mesh.groups],
             lambda x, y: (
-                type(x) == type(y)
+                type(x) is type(y)
                 and x.order == y.order
                 and np.array_equal(x.unit_nodes, y.unit_nodes)
                 ))
diff --git a/test/test_partition.py b/test/test_partition.py
index c80ac5b12..b8a4e1830 100644
--- a/test/test_partition.py
+++ b/test/test_partition.py
@@ -333,12 +333,12 @@ def test_partition_mesh(mesh_size, num_parts, num_groups, dim, scramble_parts):
                         for idx in range(len(adj.elements)):
                             if (p_elem == adj.elements[idx]
                                      and face == adj.element_faces[idx]):
-                                assert p_n_elem == adj.neighbors[idx],\
+                                assert p_n_elem == adj.neighbors[idx], \
                                         "Tag does not give correct neighbor"
-                                assert n_face == adj.neighbor_faces[idx],\
+                                assert n_face == adj.neighbor_faces[idx], \
                                         "Tag does not give correct neighbor"
 
-    assert ipagrp_count > 0 or not has_cross_rank_adj,\
+    assert ipagrp_count > 0 or not has_cross_rank_adj, \
         "expected at least one InterPartAdjacencyGroup"
 
     for i_remote_part in range(num_parts):
@@ -347,7 +347,7 @@ def test_partition_mesh(mesh_size, num_parts, num_groups, dim, scramble_parts):
             if (i_local_part, i_remote_part) in connected_parts:
                 tag_sum += count_tags(
                     part_meshes[i_local_part], BTAG_PARTITION(i_remote_part))
-        assert num_tags[i_remote_part] == tag_sum,\
+        assert num_tags[i_remote_part] == tag_sum, \
                 "part_mesh has the wrong number of BTAG_PARTITION boundaries"