Assertion error when running fusesoc simulation

Im using ubuntu 18.04 in WLS. When running the command : sudo fusesoc run --target=sim veerwolf, I get the following error:

INFO: Generating ::veerwolf-veer_eh1_default_config:0.7.5
Traceback (most recent call last):
File "/usr/local/bin/fusesoc", line 11, in
load_entry_point('fusesoc==2.2.1', 'console_scripts', 'fusesoc')()
File "/usr/local/lib/python3.6/dist-packages/fusesoc/main.py", line 766, in main
fusesoc(args)
File "/usr/local/lib/python3.6/dist-packages/fusesoc/main.py", line 756, in fusesoc
args.func(cm, args)
File "/usr/local/lib/python3.6/dist-packages/fusesoc/main.py", line 305, in run
args.resolve_env_vars_early,
File "/usr/local/lib/python3.6/dist-packages/fusesoc/main.py", line 436, in run_backend
backend = backend_class(edam=edam, work_root=work_root, verbose=verbose)
File "/usr/local/lib/python3.6/dist-packages/edalize/edatool.py", line 182, in __init__
loader=PackageLoader(__package__, "templates"),
File "/usr/local/lib/python3.6/dist-packages/jinja2/loaders.py", line 291, in __init__
assert loader is not None, "A loader was not found for the package."
AssertionError: A loader was not found for the package.

Any idea on how to fix it?