Merge pull request opencv#19636 from LaurentBerger:blendlinear_py

Author: alalek

modules/imgproc/include/opencv2/imgproc.hpp

@@ -3638,7 +3638,7 @@ CV_EXPORTS_W int floodFill( InputOutputArray image, InputOutputArray mask,
 //! @param weights1 It has a type of CV_32FC1 and the same size with src1.
 //! @param weights2 It has a type of CV_32FC1 and the same size with src1.
 //! @param dst It is created if it does not have the same size and type with src1.
-CV_EXPORTS void blendLinear(InputArray src1, InputArray src2, InputArray weights1, InputArray weights2, OutputArray dst);
+CV_EXPORTS_W void blendLinear(InputArray src1, InputArray src2, InputArray weights1, InputArray weights2, OutputArray dst);
 
 //! @} imgproc_misc