We haven't worked with DPX files for years, but the pipeline I built still supports them. I fear that once I remove all the `or ext == ".dpx"` parts in the code a client will pop up who doesn't use EXR files.

#VFXPipeline

@compfu time to refactor the whole pipeline with a plugin architecture that loads the correct delegate given the file extension? Consider it future proofing against the future XKCD 927.