diff --git a/woudc_data_registry/processing.py b/woudc_data_registry/processing.py
index 7f15c36..fafc87a 100644
--- a/woudc_data_registry/processing.py
+++ b/woudc_data_registry/processing.py
@@ -939,7 +939,8 @@ def check_location(self):
             height_numeric = float(height) if height else None
             if not height or -50 <= height_numeric <= 5100:
                 LOGGER.debug('Validated instrument height')
-            elif not self._add_to_report(326, valueline, lower=-50, upper=5100):
+            elif not self._add_to_report(
+                    326, valueline, lower=-50, upper=5100):
                 success = False
         except ValueError:
             if not self._add_to_report(324, valueline):
@@ -1147,7 +1148,10 @@ def check_time_series(self):
                         success = False
                 else:
                     if other_date > dg_date:
-                        err_code = 336 if table.startswith('TIMESTAMP') else 337
+                        err_code = (
+                            336 if table.startswith('TIMESTAMP')
+                            else 337
+                        )
                         if not self._add_to_report(err_code,
                                                    line, table=table):
                             success = False
diff --git a/woudc_data_registry/tests/test_report_generation.py b/woudc_data_registry/tests/test_report_generation.py
index 5690628..2b5c70c 100644
--- a/woudc_data_registry/tests/test_report_generation.py
+++ b/woudc_data_registry/tests/test_report_generation.py
@@ -136,7 +136,6 @@ def test_uses_error_definition(self):
             _, success = op_report.add_message(101)
             self.assertFalse(success)
 
-
     def test_passing_operator_report(self):
         """Test that a passing file is written in the operator report"""
 
@@ -938,7 +937,6 @@ def test_email_summary_single_fix(self):
         with open(output_path) as output:
             lines = output.read().splitlines()
             self.assertEqual(len(lines), 8)
-
             self.assertEqual(lines[0], 'MSC (placeholder@mail.com)')
             self.assertEqual(lines[1], 'Total files received: 1')
             self.assertEqual(lines[2], 'Number of passed files: 0')
@@ -1147,7 +1145,6 @@ def test_email_summary_multiple_causes(self):
             self.assertIn(lines[9], fail_group)
             self.assertNotIn('.csv', lines[10])
             self.assertIn(lines[11], fail_group)
-
             self.assertEqual(lines[12], 'Summary of Fixes:')
             self.assertNotIn('.csv', lines[13])
             self.assertIn(lines[14], fix_group)