diff --git a/qgepqwat2ili/qgep/export.py b/qgepqwat2ili/qgep/export.py
index a7cc9700..766483f1 100644
--- a/qgepqwat2ili/qgep/export.py
+++ b/qgepqwat2ili/qgep/export.py
@@ -190,7 +190,7 @@ def base_common(row, type_name):
     def wastewater_structure_common(row):
         """
         Returns common attributes for wastewater_structure
-        ATTENTION : Mapping of 3D wastewater_structure->abwasserbauerk 
+        ATTENTION : Mapping of 3D wastewater_structure->abwasserbauerk
         is not fully implemented.
         """
         return {
diff --git a/qgepqwat2ili/qgepdss/export.py b/qgepqwat2ili/qgepdss/export.py
index 9c978e2f..c91eb843 100644
--- a/qgepqwat2ili/qgepdss/export.py
+++ b/qgepqwat2ili/qgepdss/export.py
@@ -218,7 +218,7 @@ def surface_water_bodies_common(row):
     def wastewater_structure_common(row):
         """
         Returns common attributes for wastewater_structure
-        ATTENTION : Mapping of 3D wastewater_structure->abwasserbauerk 
+        ATTENTION : Mapping of 3D wastewater_structure->abwasserbauerk
         is not fully implemented.
         """
         return {
diff --git a/qgepqwat2ili/qgepsia405/export.py b/qgepqwat2ili/qgepsia405/export.py
index 7d1ae9de..e2083d3e 100644
--- a/qgepqwat2ili/qgepsia405/export.py
+++ b/qgepqwat2ili/qgepsia405/export.py
@@ -188,7 +188,7 @@ def base_common(row, type_name):
     def wastewater_structure_common(row):
         """
         Returns common attributes for wastewater_structure
-        ATTENTION : Mapping of 3D wastewater_structure->abwasserbauerk 
+        ATTENTION : Mapping of 3D wastewater_structure->abwasserbauerk
         is not fully implemented.
         """
         return {