diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7c2f2c973ec844128cbbe291a6008a1b894344a0..4668a2b0047bdab02408be5e792594f31233fed8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,6 +10,7 @@ Python 2.7 AMD CPU:
   - amd-cl-cpu
   except:
   - tags
+
 Python 2.7 POCL:
   script:
   - export PY_EXE=python2.7
@@ -22,6 +23,7 @@ Python 2.7 POCL:
   - pocl
   except:
   - tags
+
 Python 3.5 POCL:
   script:
   - export PY_EXE=python3.5
@@ -34,6 +36,7 @@ Python 3.5 POCL:
   - pocl
   except:
   - tags
+
 Documentation:
   script:
   - EXTRA_INSTALL="numpy"
@@ -43,3 +46,12 @@ Documentation:
   - python3.5
   only:
   - master
+
+Flake8:
+  script:
+  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/prepare-and-run-flake8.sh
+  - ". ./prepare-and-run-flake8.sh meshmode test"
+  tags:
+  - python3.5
+  except:
+  - tags
diff --git a/meshmode/discretization/connection/face.py b/meshmode/discretization/connection/face.py
index 52d7575d6dd83df9ed9868d063c6fa3adbe985cf..124b4252fbba1f62fe1a89da509f062c2e6e8f4d 100644
--- a/meshmode/discretization/connection/face.py
+++ b/meshmode/discretization/connection/face.py
@@ -36,7 +36,7 @@ import logging
 logger = logging.getLogger(__name__)
 
 
-class FRESTR_INTERIOR_FACES:
+class FRESTR_INTERIOR_FACES:  # noqa
     """A special value to pass to
     :func:`meshmode.discretization.connection.make_face_restriction`
     to produce a discretization consisting of all interior faces
@@ -44,7 +44,7 @@ class FRESTR_INTERIOR_FACES:
     """
 
 
-class FRESTR_ALL_FACES:
+class FRESTR_ALL_FACES:  # noqa
     """A special value to pass to
     :func:`meshmode.discretization.connection.make_face_restriction`
     to produce a discretization consisting of all faces (interior and boundary)
diff --git a/meshmode/mesh/__init__.py b/meshmode/mesh/__init__.py
index da0fdfe242536997dc3dc2f71c465f2eddf07560..81ec7ae2a4a060e26d68823603a0d1648d2ce391 100644
--- a/meshmode/mesh/__init__.py
+++ b/meshmode/mesh/__init__.py
@@ -59,12 +59,12 @@ Predefined Boundary tags
 
 # {{{ element tags
 
-class BTAG_NONE(object):
+class BTAG_NONE(object):  # noqa
     """A boundary tag representing an empty boundary or volume."""
     pass
 
 
-class BTAG_ALL(object):
+class BTAG_ALL(object):  # noqa
     """A boundary tag representing the entire boundary or volume.
 
     In the case of the boundary, TAG_ALL does not include rank boundaries,
@@ -72,7 +72,7 @@ class BTAG_ALL(object):
     pass
 
 
-class BTAG_REALLY_ALL(object):
+class BTAG_REALLY_ALL(object):  # noqa
     """A boundary tag representing the entire boundary.
 
     Unlike :class:`TAG_ALL`, this includes rank boundaries,
@@ -80,7 +80,7 @@ class BTAG_REALLY_ALL(object):
     pass
 
 
-class BTAG_NO_BOUNDARY(object):
+class BTAG_NO_BOUNDARY(object):  # noqa
     """A boundary tag indicating that this edge should not fall under
     :class:`TAG_ALL`. Among other things, this is used to keep rank boundaries
     out of :class:`BTAG_ALL`.
@@ -589,7 +589,8 @@ class Mesh(Record):
                 assert nodal_adjacency.neighbors_starts.shape == (self.nelements+1,)
                 assert len(nodal_adjacency.neighbors.shape) == 1
 
-                assert nodal_adjacency.neighbors_starts.dtype == self.element_id_dtype
+                assert (nodal_adjacency.neighbors_starts.dtype
+                        == self.element_id_dtype)
                 assert nodal_adjacency.neighbors.dtype == self.element_id_dtype
 
             if facial_adjacency_groups:
diff --git a/setup.cfg b/setup.cfg
index 512924240ea5f744029e9dd0395769ca66267ca1..4abe1a050fcc81fb50a1096472670ea20246ec0c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,4 @@
 [flake8]
 ignore = E126,E127,E128,E123,E226,E241,E242,E265,W503,E402
 max-line-length=85
+exclude=meshmode/mesh/refinement/__init__.py