syntaxError: invalid syntax

[HenrryVargas]

Hi

when a i run cookiecutter https://github.com/hackalog/cookiecutter-easydata.git --checkout bus_number it show me the following error:

File "/tmp/tmpNyAsgt.py", line 13
src_path = config_dir / f'{template_name}.json'
^
SyntaxError: invalid syntax
ERROR: Stopping generation because post_gen_project hook script didn't exit successfully
Hook script failed (exit status: 1)

i litle more information about:

root@atenea:/home/vila/Documentos/ejemplos# cookiecutter https://github.com/hackalog/cookiecutter-easydata.git --checkout bus_number
You've downloaded /root/.cookiecutters/cookiecutter-easydata before. Is it okay to delete and re-download it? [yes]: yes
project_name [project_name]: iafactory
repo_name [iafactory]:
module_name [src]: iafactory
author_name [Your name (or your organization/company/team)]: henrry vargas
description [A short description of this project.]:
Select open_source_license:
1 - MIT
2 - BSD-2-Clause
3 - Proprietary
Choose from 1, 2, 3 [1]: 1
s3_bucket [[OPTIONAL] your-bucket-for-syncing-data (do not include 's3://')]:
aws_profile [default]:
Select virtualenv:
1 - conda
2 - virtualenv
Choose from 1, 2 [1]: 1
Select python_interpreter:
1 - python3
2 - python
Choose from 1, 2 [1]: 1
conda_path [~/anaconda3/bin/conda]:
File "/tmp/tmpNyAsgt.py", line 13
src_path = config_dir / f'{template_name}.json'
^
SyntaxError: invalid syntax
ERROR: Stopping generation because post_gen_project hook script didn't exit successfully
Hook script failed (exit status: 1)