#5863 (Bug) AttributeError: ‘NoneType’ object has no attribute ‘strip’

+1 1

Closed as Fixed
Component: DisplayCAL | Milestone: 3.2.4
Created by Bruno Pagani

Last modified


I got a new computer recently, an HP Zbook Studio G3. Its screen is reported in DisplayCAL as “5189 @ 0, 0, 3840×2160”.

I was trying to calibrate and profile it, but this error happened after the first four measurements.

Corresponding log attached, please tell me if there is anything that I can do to help debug this.


DisplayCAL (text/plain | 2017-02-12 18:24:56)
ColorHug2 & HP Zbook Studio G3.cal (text/plain | 2017-02-13 00:19:56)
5189.tar (application/x-gzip | 2017-02-13 00:59:53)


11 comments on “AttributeError: ‘NoneType’ object has no attribute ‘strip’”

  1. That’s a configuration/setup issue related to the “auto” measurement mode for the ColorHug – sorry about that. To work around the problem, edit ~/.config/DisplayCAL/DisplayCAL.ini and add the following lines (adjust measurement.save_path according to your user directory):

    measurement.name.expanded = ColorHug2 & HP Zbook Studio G3.cal
    measurement.save_path = ~/.config/DisplayCAL/DisplayCAL.ini/storage
  2. Hum, same error though…

    What’s new is files were created at ~/.local/share/DisplayCAL/storage/ColorHug2 & HP Zbook Studio G3.cal:

    ColorHug2 & HP Zbook Studio G3.cal.{cal,log,ti1,ti3}

    1. Thanks. Please choose “File” -> “Create profile from extended display identification data…” and attach the resulting ICC profile.

      1. Here you go. Note that I had to tar.gz it because the file upload doesn’t accept ICC… There was also a 5189.gam.gz file created, tell me if you need it.

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