Flake8 fixes

README.md

@@ -79,7 +79,7 @@ The wbdutil requires a configuration file that has the following JSON structure:
         }
     },
     "wellbore_mapping": {},
-    "welllog_mapping": {},
+    "welllog_mapping": {}
 }
 ```
 

src/test/test_property_mapping.py

@@ -546,7 +546,7 @@ class TestPropertyMapper:
         calls = [call('opendes', 'mnemonic_0'), call('opendes', 'mnemonic_1'), call('opendes', 'mnemonic_2')]
         mock_functions.las2osdu_curve_uom_converter.assert_has_calls(calls)
 
-    def _construct_property_mapper(self, mapping, mock_config = None, mock_functions = None):
+    def _construct_property_mapper(self, mapping, mock_config=None, mock_functions=None):
         mock_reader = Mock(spec=IPropertyMappingLoader)
         mock_reader.mapping = mapping
         return PropertyMapper(mock_reader, mock_config, mock_functions)