Can I load dicom data using slicelets while disabling the main slicer window (--no-main-window)?

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Operating system: Ubuntu 18.04
Slicer version: 4.10.2
Expected behavior: Dicom loader window should open
Actual behavior: Dicom loader does not open and slicer exits with error

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In Slicer-4.10, DICOM import implementation was not clearly separated from the GUI. If you want to load or convert DICOM images without any GUI then you need to use a recent Slicer-4.11 release, where DICOM processing does not rely on any GUI classes.

Note: A few years ago we thought it could be a good idea to create custom user interfaces by replacing the main window, but we learned that this is not a good approach. Do not use --main-window if you want to display any kind of GUI. Instead you can keep the main window and customize its content (e.g., hide what you don’t need). See more information here: https://www.slicer.org/wiki/Documentation/Nightly/Developers/Slicelets

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