I'm using qtpy version 2.4.1 with objbrowser PROGRAM_VERSION = 1.3.1 according to version.py.
The check on line 14->23 in objbrowser/version.py is failing when it tries to:
import qtpy, qtpy._version
It appears that qtpy._version is gone. The 2.4.1 version string is now in qtpy.__version__.
I didn't find where qtpy._version.version_info went but it's coming up fast on line 23.