Closed homosapien-lcy closed 1 year ago
The problem seems to come from: https://github.com/enthought/traitsui/blob/main/traitsui/ui.py The traitsui update requires the init to return a boolean that indicating whether the ui initiation has succeeded or failed. This demo has failed to adapt to this change
Problem Description When running chaco/chaco/examples/demo/basic/image_from_file.py demo, ValueError: Handler.init() must return True or False, but instead returned None. is raised
Reproduction Steps:
Link: https://github.com/enthought/chaco/blob/main/chaco/examples/demo/basic/image_from_file.py
Full Stacktrace:
OS, Python version: [MacOS, python3.11]