Remove unneeded code

src/Python/IO/CSVReadEdit.py

@@ -339,74 +339,6 @@ def get_diverging_lut1(start: str, mid: str, end: str, table_size: int = 256):
 
     return lut
 
-from vtkmodules.vtkIOImage import (
-    vtkBMPWriter,
-    vtkJPEGWriter,
-    vtkPNGWriter,
-    vtkPNMWriter,
-    vtkPostScriptWriter,
-    vtkTIFFWriter
-)
-from vtkmodules.vtkRenderingCore import vtkWindowToImageFilter
-
-
-def write_image(file_name, ren_win, rgba=True):
-    """
-    Write the render window view to an image file.
-
-    Image types supported are:
-     BMP, JPEG, PNM, PNG, PostScript, TIFF.
-    The default parameters are used for all writers, change as needed.
 
-    :param file_name: The file name, if no extension then PNG is assumed.
-    :param ren_win: The render window.
-    :param rgba: Used to set the buffer type.
-    :return:
-    """
-
-    if file_name:
-        valid_suffixes = ['.bmp', '.jpg', '.png', '.pnm', '.ps', '.tiff']
-        # Select the writer to use.
-        parent = Path(file_name).resolve().parent
-        path = Path(parent) / file_name
-        if path.suffix:
-            ext = path.suffix.lower()
-        else:
-            ext = '.png'
-            path = Path(str(path)).with_suffix(ext)
-        if path.suffix not in valid_suffixes:
-            print(f'No writer for this file suffix: {ext}')
-            return
-        if ext == '.bmp':
-            writer = vtkBMPWriter()
-        elif ext == '.jpg':
-            writer = vtkJPEGWriter()
-        elif ext == '.pnm':
-            writer = vtkPNMWriter()
-        elif ext == '.ps':
-            if rgba:
-                rgba = False
-            writer = vtkPostScriptWriter()
-        elif ext == '.tiff':
-            writer = vtkTIFFWriter()
-        else:
-            writer = vtkPNGWriter()
-
-        windowto_image_filter = vtkWindowToImageFilter()
-        windowto_image_filter.SetInput(ren_win)
-        windowto_image_filter.SetScale(1)  # image quality
-        if rgba:
-            windowto_image_filter.SetInputBufferTypeToRGBA()
-        else:
-            windowto_image_filter.SetInputBufferTypeToRGB()
-            # Read from the front buffer.
-            windowto_image_filter.ReadFrontBufferOff()
-            windowto_image_filter.Update()
-
-        writer.SetFileName(path)
-        writer.SetInputConnection(windowto_image_filter.GetOutputPort())
-        writer.Write()
-    else:
-        raise RuntimeError('Need a filename.')
 if __name__ == '__main__':
     main()