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# FabIO Viewer

fabio_viewer is a simple diffraction image viewer based on matplotlib and PyQt4.

System Message: ERROR/6 (/build/python-fabio-FCGIBJ/python-fabio-2026.6.0/doc/source/man/fabio_viewer.rst, line 8)

Command ['fabio_viewer', '--help'] failed: [Errno 2] No such file or directory: 'fabio_viewer'

This tool is deprecated and one should prefer silx view as generic image viewer.