diff --git a/.gitignore b/.gitignore
index 51145585621dc1f447dcc790f760ec7fc9f97496..b47ef0810c77a8dbb5bf5fa423f1b750f1d8115b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ distribute*tar.gz
 a.out
 doc/_build
 
+.cache
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3be8173c10a9b7de5e03f6444b3159b16b108407..9aba11c28f28a9114785a41a61e65543a1eda5c8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,6 +8,7 @@ Python 2.7:
   - python2.7
   except:
   - tags
+
 Python 3.5:
   script:
   - py_version=3.5
@@ -18,6 +19,7 @@ Python 3.5:
   - python3.5
   except:
   - tags
+
 Python 2.6:
   script:
   - py_version=2.6
@@ -28,6 +30,7 @@ Python 2.6:
   - python2.6
   except:
   - tags
+
 Documentation:
   script:
   - EXTRA_INSTALL="numpy"
@@ -37,3 +40,12 @@ 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 dagrt test"
+  tags:
+  - python3.5
+  except:
+  - tags
diff --git a/dagrt/codegen/expressions.py b/dagrt/codegen/expressions.py
index 456633e2d33cca961be6987547d4e7d520d39cb8..e20d4409950e344a54800c965c217174f28b2716 100644
--- a/dagrt/codegen/expressions.py
+++ b/dagrt/codegen/expressions.py
@@ -27,7 +27,6 @@ THE SOFTWARE.
 """
 
 
-
 # {{{ fortran
 
 class FortranExpressionMapper(StringifyMapper):
diff --git a/dagrt/codegen/fortran.py b/dagrt/codegen/fortran.py
index e8f6e857e8d745fb5ae87b300d3747f30a73096c..7a7875a7c919c5d7c7c217a9a5790a98f3a07a8e 100644
--- a/dagrt/codegen/fortran.py
+++ b/dagrt/codegen/fortran.py
@@ -47,6 +47,7 @@ def pad_fortran(line, width):
     line += '&'
     return line
 
+
 wrap_line = partial(wrap_line_base, pad_func=pad_fortran)
 
 
diff --git a/dagrt/codegen/python.py b/dagrt/codegen/python.py
index c876387eedf0535a53d63b974165bf074da268bf..903b22b9eb98356e7d6b4657a8a41bf0a262f453 100644
--- a/dagrt/codegen/python.py
+++ b/dagrt/codegen/python.py
@@ -42,6 +42,7 @@ def pad_python(line, width):
     line += '\\'
     return line
 
+
 wrap_line = partial(wrap_line_base, pad_func=pad_python)
 
 _inner_class_code = '''from collections import namedtuple
diff --git a/dagrt/function_registry.py b/dagrt/function_registry.py
index 7026b2d1ba018a8406e5aecfdf4c91041e2627e6..1581a07f85dd9a1a3677f67da5520511e2be21df 100644
--- a/dagrt/function_registry.py
+++ b/dagrt/function_registry.py
@@ -455,6 +455,7 @@ def _make_bfr():
 
     return bfr
 
+
 base_function_registry = _make_bfr()
 
 # }}}
diff --git a/doc/misc.rst b/doc/misc.rst
index 2250db3eedf570d6fbaa7a003d8a1ce7637f3f65..2e2e8df0f583b668dbd71129738bced92fbd44bc 100644
--- a/doc/misc.rst
+++ b/doc/misc.rst
@@ -69,3 +69,15 @@ Frequently Asked Questions
 
 The FAQ is maintained collaboratively on the
 `Wiki FAQ page <http://wiki.tiker.net/Leap/FrequentlyAskedQuestions>`_.
+
+Acknowledgments
+===============
+
+Andreas Klöckner's work on :mod:`dagrt` was supported in part by
+
+* the Department of Energy, National Nuclear Security Administration, under Award Number DE-NA0002374,
+* the US National Science Foundation under grant number CCF-1524433.
+
+AK also gratefully acknowledges a hardware gift from Nvidia Corporation.  The
+views and opinions expressed herein do not necessarily reflect those of the
+funding agencies.
diff --git a/test/test_codegen_python.py b/test/test_codegen_python.py
index 0d47816c30d72229dea16adf9f631ea943ae6645..e119ea32e9e4c4884161729c5df1cd561005decd 100755
--- a/test/test_codegen_python.py
+++ b/test/test_codegen_python.py
@@ -423,6 +423,7 @@ def test_svd(python_method_impl):
 
     assert la.norm(result) < 1e-10
 
+
 if __name__ == "__main__":
     if len(sys.argv) > 1:
         exec(sys.argv[1])