When calling the GtCalculators.findGtTask() function from an external script file, GTlab crashes unexpectedly.

Steps to Reproduce

1. Start GTlab version 2.0.10 and ensure that the GTlab Python Module 1.6.0 is loaded.
2. Create a directory named python_scripts in the same directory as GTlab.exe.
3. In the python_scripts directory, create a Python script named external_script.py that calls GtCalculators.findGtTask(). Here is an example code to copy:

from GtCalculators import findGtTask

def external_find_task(task_name: str):
    task = findGtTask(task_name)

4. In GTlab create a Simple Task named Task.
5. Create a Python Task and copy the following code into it:

import os
import sys

external_scripts_dir = os.path.join(os.getcwd(), 'python_scripts')
sys.path.append(external_scripts_dir)

# Load the external module
from external_script import external_find_task
del sys.modules['external_script']
from external_script import external_find_task

external_find_task('Task')

6. Run the script and observe that GTlab crashes.