diff --git a/pyspectral/radiance_tb_conversion.py b/pyspectral/radiance_tb_conversion.py
index <HASH>..<HASH> 100644
--- a/pyspectral/radiance_tb_conversion.py
+++ b/pyspectral/radiance_tb_conversion.py
@@ -297,7 +297,7 @@ class SeviriRadTbConverter(RadTbConverter):
 
     def _get_rsr(self):
         """Overload the _get_rsr method, since RSR data are ignored here."""
-        pass
+        LOG.debug("RSR data are ignored in this converter!")
 
     def radiance2tb(self, rad):
         """Get the Tb from the radiance using the simple non-linear regression method.
diff --git a/pyspectral/tests/test_rad_tb_conversions.py b/pyspectral/tests/test_rad_tb_conversions.py
index <HASH>..<HASH> 100644
--- a/pyspectral/tests/test_rad_tb_conversions.py
+++ b/pyspectral/tests/test_rad_tb_conversions.py
@@ -289,10 +289,6 @@ class TestSeviriConversions(unittest.TestCase):
         rads2 = retv2['radiance']
         self.assertTrue(np.allclose(rads1, rads2))
 
-    def tearDown(self):
-        """Clean up."""
-        pass
-
 
 class TestRadTbConversions(unittest.TestCase):
     """Testing the conversions between radiances and brightness temperatures."""
Fix a couple of Codefactor complaints