The 'build_report' package was not installed in a way that PackageLoader understands

The command snakemake build_report produces following error:

Traceback (most recent call last):
  File "/path/to/microSysMics/scripts/build_report/build_report.py", line 184, in <module>
    build_html_report()
  File "/path/to/microSysMics/scripts/build_report/build_report.py", line 143, in build_html_report
    env = Environment(loader=PackageLoader('build_report', '../'))
  File "/CONDAS/users/bordron-p-1/microSysMics/lib/python3.9/site-packages/jinja2/loaders.py", line 309, in __init__
    raise ValueError(
ValueError: The 'build_report' package was not installed in a way that PackageLoader understands.

It appends with jinja2 >= 3