Error when cloning repository on macos

[jelmerk]

git clone https://github.com/BasPH/data-pipelines-with-apache-airflow.git
Cloning into 'data-pipelines-with-apache-airflow'...
remote: Enumerating objects: 1492, done.
remote: Counting objects: 100% (2/2), done.
remote: Compressing objects: 100% (2/2), done.
remote: Total 1492 (delta 1), reused 0 (delta 0), pack-reused 1490
Receiving objects: 100% (1492/1492), 267.00 KiB | 223.00 KiB/s, done.
Resolving deltas: 100% (751/751), done.
warning: the following paths have collided (e.g. case-sensitive paths
on a case-insensitive filesystem) and only one from the same
colliding group is in the working tree:

  'chapter07/README.md'
  'chapter07/readme.md'