diff --git a/force_bdss/core_plugins/csv_extractor/csv_extractor/csv_extractor_data_source.py b/force_bdss/core_plugins/csv_extractor/csv_extractor/csv_extractor_data_source.py
index 93f8783941ff119464cdf3e15c23676c7823d33c..75e1a936cc54c4784d9f3a06893ce143fcc12271 100644
--- a/force_bdss/core_plugins/csv_extractor/csv_extractor/csv_extractor_data_source.py
+++ b/force_bdss/core_plugins/csv_extractor/csv_extractor/csv_extractor_data_source.py
@@ -15,8 +15,9 @@ class CSVExtractorDataSource(BaseDataSource):
                 if rowindex == self.model.row:
                     return DataSourceResult(
                         originator=self,
-                        value_types = [self.model.cuba_type],
-                        values=numpy.array(row[self.model.column]).reshape(1,1)
+                        value_types=[self.model.cuba_type],
+                        values=numpy.array(
+                            row[self.model.column]).reshape(1, 1)
                     )
 
                 return None
diff --git a/force_bdss/data_sources/data_source_result.py b/force_bdss/data_sources/data_source_result.py
index 29b063eb0d87a434c26bbf5139fa251f033a2e48..b1208aec5ca1dc9217667c9009021344fd4be8c4 100644
--- a/force_bdss/data_sources/data_source_result.py
+++ b/force_bdss/data_sources/data_source_result.py
@@ -7,9 +7,9 @@ class DataSourceResult(HasTraits):
     """Represents the result of a simulator.
     It contains the resulting cuba key, the associated uncertainty and the
     originating simulator.
-    Difference between uncertainty and quality: uncertainty is a numerical value
-    of the value, as in the case of an experimental simulation.
-    quality is the level of accuracy of the (e.g.c omputational) method, as
+    Difference between uncertainty and quality: uncertainty is a numerical
+    value of the value, as in the case of an experimental simulation.
+    quality is the level of accuracy of the (e.g. computational) method, as
     the importance and reliability of that value. It should be an enumeration
     value such as HIGH, MEDIUM, POOR"""
     originator = Instance(BaseDataSource)