diff --git a/km3buu/config.py b/km3buu/config.py
index b9c7a0c6eff1fb4d6f5b4aa25b3cdb1e4895c162..9059d6b94d377e4079c3dd688ca87b5138fb391f 100644
--- a/km3buu/config.py
+++ b/km3buu/config.py
@@ -45,6 +45,7 @@ GSEAGEN_MEDIA_COMPOSITION_FILE = "MediaComposition.xml"
 
 
 class Config(object):
+
     def __init__(self, config_path=CONFIG_PATH):
         self.config = ConfigParser()
         self._config_path = config_path
diff --git a/km3buu/geometry.py b/km3buu/geometry.py
index 1ae11351e13f342f8c686177d149f0eba03f1466..42378c3b4d6457f2f0530fa009a08186c1db1131 100644
--- a/km3buu/geometry.py
+++ b/km3buu/geometry.py
@@ -19,6 +19,7 @@ class DetectorVolume(ABC):
     """
     Detector geometry class
     """
+
     def __init__(self):
         self._volume = -1.0
         self._coord_origin = (0., 0., 0.)
@@ -82,6 +83,7 @@ class CanVolume(DetectorVolume):
     zmax: float [m] (default: 476.5)
         Cylinder top z position
     """
+
     def __init__(self, radius=403.4, zmin=0.0, zmax=476.5):
         super().__init__()
         self._radius = radius
@@ -118,6 +120,7 @@ class SphericalVolume(DetectorVolume):
         Coordinate center of the sphere
         (x, y, z)
     """
+
     def __init__(self, radius, coord_origin=(0, 0, 0)):
         super().__init__()
         self._radius = radius
diff --git a/km3buu/jobcard.py b/km3buu/jobcard.py
index a03f217c936a97dfac60369874d56046135eb491..15c99f6b7b1f26d9eec1910273785ca2517022c5 100644
--- a/km3buu/jobcard.py
+++ b/km3buu/jobcard.py
@@ -58,6 +58,7 @@ class Jobcard(f90nml.Namelist):
     input_path: str
         The input path pointing to the GiBUU lookup data which should be used
     """
+
     def __init__(self,
                  *args,
                  filename=DEFAULT_JOBCARD_FILENAME,
diff --git a/km3buu/output.py b/km3buu/output.py
index 31766f0b30178cd19141ff6ca4e866d3393a516b..61e5f75391d57e5c87bcbb4086b1e6dc372c5544 100644
--- a/km3buu/output.py
+++ b/km3buu/output.py
@@ -274,6 +274,7 @@ def read_nu_abs_xsection(filepath):
 
 
 class GiBUUOutput:
+
     def __init__(self, data_dir):
         """
         Class for parsing GiBUU output files
@@ -580,6 +581,7 @@ class GiBUUOutput:
         return self._generated_events
 
     def _determine_flux_index(self):
+
         def fluxfunc(x, a, b):
             return a * x**b
 
diff --git a/km3buu/tests/test_config.py b/km3buu/tests/test_config.py
index 18e2a13ec87d2122279a0a15a349da9e2a446e9c..65436a054e56e37945cb31052ebd130f6d406112 100644
--- a/km3buu/tests/test_config.py
+++ b/km3buu/tests/test_config.py
@@ -32,6 +32,7 @@ path=/tmp/gseagen
 
 
 class TestConfig(unittest.TestCase):
+
     def setUp(self):
         self.cfg_tmpfile = NamedTemporaryFile(delete=False)
         self.mock_image_file = NamedTemporaryFile(delete=False)
diff --git a/km3buu/tests/test_ctrl.py b/km3buu/tests/test_ctrl.py
index 34d4faa8e300471b005b04c82637d8099384ca06..23090173209c3eebc8e86f3f51d9445af8a65862 100644
--- a/km3buu/tests/test_ctrl.py
+++ b/km3buu/tests/test_ctrl.py
@@ -25,6 +25,7 @@ TESTDATA_DIR = data_path("gibuu")
 
 
 class TestCTRLbyJobcardFile(unittest.TestCase):
+
     def setUp(self):
         self.filename = join(TESTDATA_DIR, "km3net_testdata.job")
         self.output_dir = TemporaryDirectory()
@@ -48,6 +49,7 @@ class TestCTRLbyJobcardFile(unittest.TestCase):
 
 
 class TestCTRLbyJobcardObject(unittest.TestCase):
+
     def setUp(self):
         log = get_logger("ctrl.py")
         log.setLevel("INFO")
diff --git a/km3buu/tests/test_environment.py b/km3buu/tests/test_environment.py
index 247690b1e66adda9d5c3c93be01c24a19f5738d8..b5d76bf3b4819b7aecf1d7fe1452ee86ee2d1c58 100644
--- a/km3buu/tests/test_environment.py
+++ b/km3buu/tests/test_environment.py
@@ -19,6 +19,7 @@ from km3buu import DOCKER_URL, IMAGE_NAME
 
 
 class TestBuild(unittest.TestCase):
+
     def test_wrong_dir_path(self):
         wrong_path = "foobar"
         try:
diff --git a/km3buu/tests/test_geometry.py b/km3buu/tests/test_geometry.py
index 292cac2dd3b709a8279c02976db9148471de7b7a..10a22bda09609c05816a60379fdbd402080f8b2a 100644
--- a/km3buu/tests/test_geometry.py
+++ b/km3buu/tests/test_geometry.py
@@ -17,12 +17,14 @@ import numpy as np
 
 
 class TestGeneralGeometry(unittest.TestCase):
+
     def test_abstract_init(self):
         with self.assertRaises(TypeError) as ctx:
             d = DetectorVolume()
 
 
 class TestSphere(unittest.TestCase):
+
     def setUp(self):
         self.detector_geometry = SphericalVolume(20, (2, 2, 2))
 
@@ -44,6 +46,7 @@ class TestSphere(unittest.TestCase):
 
 
 class TestCan(unittest.TestCase):
+
     def setUp(self):
         self.detector_geometry = CanVolume()
 
diff --git a/km3buu/tests/test_jobcard.py b/km3buu/tests/test_jobcard.py
index 6fc45b08949ab74b1a53076233d43e7375dec8fa..69dc53951bfd9945d4fe165bf57434752013838d 100644
--- a/km3buu/tests/test_jobcard.py
+++ b/km3buu/tests/test_jobcard.py
@@ -20,6 +20,7 @@ from tempfile import TemporaryFile, TemporaryDirectory
 
 
 class TestJobcard(unittest.TestCase):
+
     def setUp(self):
         self.test_jobcard = Jobcard()
         # Insert some test elements
@@ -49,6 +50,7 @@ class TestJobcard(unittest.TestCase):
 
 
 class TestNeutrinoEnergyRangeJobcard(unittest.TestCase):
+
     def setUp(self):
         self.test_fluxfile = TemporaryFile()
         self.test_Z = np.random.randint(1, 100)
@@ -99,6 +101,7 @@ class TestNeutrinoEnergyRangeJobcard(unittest.TestCase):
 
 
 class TestNeutrinoSingleEnergyJobcard(unittest.TestCase):
+
     def setUp(self):
         self.test_fluxfile = TemporaryFile()
         self.test_Z = np.random.randint(1, 100)
@@ -133,6 +136,7 @@ class TestNeutrinoSingleEnergyJobcard(unittest.TestCase):
 
 
 class TestJobcardSeed(unittest.TestCase):
+
     def setUp(self):
         jc = generate_neutrino_jobcard(100,
                                        "CC",
diff --git a/km3buu/tests/test_output.py b/km3buu/tests/test_output.py
index e6ff083e86bf2be85e29326e899867684426625f..02c9aba5e0206dd9c8658e843c976c9afd9e9609 100644
--- a/km3buu/tests/test_output.py
+++ b/km3buu/tests/test_output.py
@@ -37,6 +37,7 @@ except ModuleNotFoundError:
 
 
 class TestXSection(unittest.TestCase):
+
     def test_xsection_all(self):
         filename = join(TESTDATA_DIR, XSECTION_FILENAMES["all"])
         xsection = read_nu_abs_xsection(filename)
@@ -47,6 +48,7 @@ class TestXSection(unittest.TestCase):
 
 
 class TestGiBUUOutput(unittest.TestCase):
+
     def setup_class(self):
         self.output = GiBUUOutput(TESTDATA_DIR)
 
@@ -91,6 +93,7 @@ class TestGiBUUOutput(unittest.TestCase):
 @pytest.mark.skipif(not KM3NET_LIB_AVAILABLE,
                     reason="KM3NeT dataformat required")
 class TestAANET(unittest.TestCase):
+
     def setUp(self):
         output = GiBUUOutput(TESTDATA_DIR)
         datafile = NamedTemporaryFile(suffix=".root")
diff --git a/km3buu/tests/test_propagation.py b/km3buu/tests/test_propagation.py
index 27d17044e99561100afe8ee46058e0732a1d1420..b1cbea92d9438be21a0338bf6da515b32b386950 100644
--- a/km3buu/tests/test_propagation.py
+++ b/km3buu/tests/test_propagation.py
@@ -28,6 +28,7 @@ pp.RandomGenerator.get().set_seed(1234)
 
 @pytest.mark.skip(reason="CI boost lib problem")
 class TestTauPropagation(unittest.TestCase):
+
     def setUp(self):
         data = ak.Array({
             "lepOut_E": [