In the dataclasses separate the VTK class name from the macro name with an underscore

src/PythonicAPI/ExplicitStructuredGrid/LoadESGrid.py

src/PythonicAPI/Filtering/ConnectivityFilter.py

src/PythonicAPI/GeometricObjects/GeometricObjectsDemo.py

src/PythonicAPI/GeometricObjects/ParametricObjectsDemo.py

src/PythonicAPI/GeometricObjects/SourceObjectsDemo.py

src/PythonicAPI/IO/ReadAllPolyDataTypesDemo.py

src/PythonicAPI/IO/ReadExodusData.py

src/PythonicAPI/ImageData/ImageNormalize.py

src/PythonicAPI/ImageData/ImageWeightedSum.py

src/PythonicAPI/ImageProcessing/Attenuation.py

src/PythonicAPI/ImageProcessing/EnhanceEdges.py

src/PythonicAPI/ImageProcessing/VTKSpectrum.py

src/PythonicAPI/Images/BackgroundImage.py

src/PythonicAPI/Modelling/DiscreteFlyingEdges3D.py

src/PythonicAPI/Modelling/SmoothDiscreteFlyingEdges3D.py

src/PythonicAPI/Plotting/SpiderPlot.py

src/PythonicAPI/PolyData/Curvatures.py

src/PythonicAPI/PolyData/CurvaturesAdjustEdges.py

src/PythonicAPI/PolyData/SmoothMeshGrid.py

src/PythonicAPI/Rendering/GradientBackground.py