REF: Get multi-slice number of slices dynamically and add simulated data

[carterbox]

Purpose

Approach

Pre-Merge Checklists

Submitter

• Write a helpfully descriptive pull request title.
• Organize changes into logically grouped commits with descriptive commit messages.
• Document all new functions.
• Click 'details' on the readthedocs check to view the updated docs.
• Write tests for new functions or explain why they are not needed.
• Address any complaints from pep8speaks.

Reviewer

• Actually read all of the code.
• Run the new code yourself; the included tests should make this easy.
• Write a summary of the changes as you understand them.
• Thank the submitter.

[pep8speaks]

Hello @carterbox! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file tests/ptycho/templates.py:

Line 49:81: E501 line too long (81 > 80 characters)
Line 55:81: E501 line too long (87 > 80 characters)
Line 68:81: E501 line too long (85 > 80 characters)

Comment last updated at 2024-06-25 15:35:31 UTC

[carterbox]

@a4894z, singers dataset is now included in this branch

[carterbox]

This class implements simulated data using the singers dataset.