Module name hyphenation error is raised, even though module name doesn't contain hyphens

[j-wags]

I'm trying to make a new repo where the repo name has hyphens, but not the module name. This is raising the following error:

(openforcefield) jwagner@MBP-S$ cookiecutter gh:molssi/cookiecutter-cms
You've downloaded /Users/jwagner/.cookiecutters/cookiecutter-cms before. Is it okay to delete and re-download it? [yes]: 
project_name [ProjectName]: NistDataSelection
repo_name [nistdataselection]: nist-data-selection    
first_module_name [nist-data-selection]: NistDataSelection
author_name [Your name (or your organization/company/team)]: Open Force Field Consortium
author_email [Your email (or your organization/company/team)]: openforcefield@gmail.com
description [A short description of the project.]: Records the tools and decisions used to select NIST data for curation.
Select open_source_license:
1 - MIT
2 - BSD-3-Clause
3 - LGPLv3
4 - Not Open Source
Choose from 1, 2, 3, 4 (1, 2, 3, 4) [1]: 
Select dependency_source:
1 - Prefer conda-forge over the default anaconda channel with pip fallback
2 - Prefer default anaconda channel with pip fallback
3 - Dependencies from pip only (no conda)
Choose from 1, 2, 3 (1, 2, 3) [1]: 
Select Include_Windows_continuous_integration:
1 - y
2 - n
Choose from 1, 2 (1, 2) [1]: 
nist-data-selection None
ERROR: "nist-data-selection" is not a valid Python module name!
ERROR: Stopping generation because pre_gen_project hook script didn't exit successfully
Hook script failed (exit status: 1)