Error Occurred When the Script of Step “Cal Results by Python” Returned Nested Lists¶
Symptom:
When the script run by Step Cal Results by Python included a RETURN statement of nested lists, the following error message appeared when the Step was executed:
Exception caught when running the script: Unable to cast Python instance to C++ type ...
.
Affected Software Versions:
Mech-Vision 1.6.0 and later
Possible Cause:
Currently, Python script does not support returning nested lists.
Solution:
Avoid including a RETURN statement that returns nested lists into the Python script called by Step Cal Results by Python.