Mysterious on Block QT GNU Level Gauge

Hello,

 

I have installed GnuRadio 3.10.1.1 and Python 3.10.4 on Ubuntu 22_04

 

There is a mysterious with the block QT GUI Level Gauge:

If I set “Show Values” of True, the graph steps in 1 inclement.

If I set “Show Values” of False” the graph steps in 10 increments!

 

Has everybody an idea?

 

Thanks

Karl-Heinz Kemna