Description of the problem, including code/CLI snippet

ProjectFileManager.get() raises GitlabHttpError instead of GitlabGetError when trying to retrieve a file which does not exist.

Expected Behavior

When calling ProjectFileManager.get(), it raises GitlabGetError if the given file does not exist.

Actual Behavior

When calling ProjectFileManager.get(), it raises GitlabHttpError if the given file does not exist.

Specifications

• python-gitlab version: 4.12
• API version you are using (v3/v4): v4
• Gitlab server version (or gitlab.com):