diff --git a/pystencils_tests/test_timeloop.py b/pystencils_tests/test_timeloop.py
index a4e0d92a39205fe8c627e30ff3b3db3b66e2a9e1..f61d4cc5774cece800ff604e2f4369d8302cc4f0 100644
--- a/pystencils_tests/test_timeloop.py
+++ b/pystencils_tests/test_timeloop.py
@@ -59,4 +59,4 @@ def test_timeloop():
     timeloop.run_time_span(seconds=seconds)
     end = time.perf_counter()
 
-    np.testing.assert_almost_equal(seconds, end - start, decimal=3)
+    np.testing.assert_almost_equal(seconds, end - start, decimal=2)
diff --git a/setup.py b/setup.py
index fcd12176e75028d19385fd6c81ffb9b7a99a2903..3231da4d660508521163ca7273a2e42d128205cf 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
+import setuptools
 import distutils
 import io
 import os
@@ -5,8 +6,6 @@ import sys
 from contextlib import redirect_stdout
 from importlib import import_module
 
-from setuptools import find_packages, setup
-
 if '--use-cython' in sys.argv:
     USE_CYTHON = True
     sys.argv.remove('--use-cython')
@@ -77,58 +76,58 @@ try:
 except ImportError:
     version = open('RELEASE-VERSION', 'r').read()
 
-setup(name='pystencils',
-      description='Speeding up stencil computations on CPUs and GPUs',
-      version=version,
-      long_description=readme(),
-      long_description_content_type="text/markdown",
-      author='Martin Bauer',
-      license='AGPLv3',
-      author_email='martin.bauer@fau.de',
-      url='https://i10git.cs.fau.de/pycodegen/pystencils/',
-      packages=['pystencils'] + ['pystencils.' + s for s in find_packages('pystencils')],
-      install_requires=['sympy>=1.1', 'numpy', 'appdirs', 'joblib'],
-      package_data={'pystencils': ['include/*.h',
-                                   'backends/cuda_known_functions.txt',
-                                   'backends/opencl1.1_known_functions.txt']},
-
-      ext_modules=cython_extensions("pystencils.boundaries.createindexlistcython"),
-      classifiers=[
-          'Development Status :: 4 - Beta',
-          'Framework :: Jupyter',
-          'Topic :: Software Development :: Code Generators',
-          'Topic :: Scientific/Engineering :: Physics',
-          'Intended Audience :: Developers',
-          'Intended Audience :: Science/Research',
-          'License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)',
-      ],
-      project_urls={
-          "Bug Tracker": "https://i10git.cs.fau.de/pycodegen/pystencils/issues",
-          "Documentation": "http://pycodegen.pages.walberla.net/pystencils/",
-          "Source Code": "https://i10git.cs.fau.de/pycodegen/pystencils",
-      },
-      extras_require={
-          'gpu': ['pycuda'],
-          'opencl': ['pyopencl'],
-          'alltrafos': ['islpy', 'py-cpuinfo'],
-          'bench_db': ['blitzdb', 'pymongo', 'pandas'],
-          'interactive': ['matplotlib', 'ipy_table', 'imageio', 'jupyter', 'pyevtk', 'rich', 'graphviz'],
-          'autodiff': ['pystencils-autodiff'],
-          'doc': ['sphinx', 'sphinx_rtd_theme', 'nbsphinx',
-                  'sphinxcontrib-bibtex', 'sphinx_autodoc_typehints', 'pandoc'],
-      },
-      tests_require=['pytest',
-                     'pytest-cov',
-                     'pytest-html',
-                     'ansi2html',
-                     'pytest-xdist',
-                     'flake8',
-                     'nbformat',
-                     'nbconvert',
-                     'ipython'],
-
-      python_requires=">=3.6",
-      cmdclass={
-          'quicktest': SimpleTestRunner
-      },
-      )
+setuptools.setup(name='pystencils',
+                 description='Speeding up stencil computations on CPUs and GPUs',
+                 version=version,
+                 long_description=readme(),
+                 long_description_content_type="text/markdown",
+                 author='Martin Bauer',
+                 license='AGPLv3',
+                 author_email='martin.bauer@fau.de',
+                 url='https://i10git.cs.fau.de/pycodegen/pystencils/',
+                 packages=['pystencils'] + ['pystencils.' + s for s in setuptools.find_packages('pystencils')],
+                 install_requires=['sympy>=1.1', 'numpy', 'appdirs', 'joblib'],
+                 package_data={'pystencils': ['include/*.h',
+                                              'backends/cuda_known_functions.txt',
+                                              'backends/opencl1.1_known_functions.txt']},
+
+                 ext_modules=cython_extensions("pystencils.boundaries.createindexlistcython"),
+                 classifiers=[
+                     'Development Status :: 4 - Beta',
+                     'Framework :: Jupyter',
+                     'Topic :: Software Development :: Code Generators',
+                     'Topic :: Scientific/Engineering :: Physics',
+                     'Intended Audience :: Developers',
+                     'Intended Audience :: Science/Research',
+                     'License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)',
+                 ],
+                 project_urls={
+                     "Bug Tracker": "https://i10git.cs.fau.de/pycodegen/pystencils/issues",
+                     "Documentation": "http://pycodegen.pages.walberla.net/pystencils/",
+                     "Source Code": "https://i10git.cs.fau.de/pycodegen/pystencils",
+                 },
+                 extras_require={
+                     'gpu': ['pycuda'],
+                     'opencl': ['pyopencl'],
+                     'alltrafos': ['islpy', 'py-cpuinfo'],
+                     'bench_db': ['blitzdb', 'pymongo', 'pandas'],
+                     'interactive': ['matplotlib', 'ipy_table', 'imageio', 'jupyter', 'pyevtk', 'rich', 'graphviz'],
+                     'autodiff': ['pystencils-autodiff'],
+                     'doc': ['sphinx', 'sphinx_rtd_theme', 'nbsphinx',
+                             'sphinxcontrib-bibtex', 'sphinx_autodoc_typehints', 'pandoc'],
+                 },
+                 tests_require=['pytest',
+                                'pytest-cov',
+                                'pytest-html',
+                                'ansi2html',
+                                'pytest-xdist',
+                                'flake8',
+                                'nbformat',
+                                'nbconvert',
+                                'ipython'],
+
+                 python_requires=">=3.6",
+                 cmdclass={
+                     'quicktest': SimpleTestRunner
+                 },
+                 )