Fix numpy deprecation warning

[Kaushalya]

Fixes the issue #851 by removing np.int and np.float from custom_containers.py.

[thequilo]

Thank you @Kaushalya! Do you have an idea why the testcases fail? I believe this has nothing to do with your changes.

[Kaushalya]

Thank you @Kaushalya! Do you have an idea why the testcases fail? I believe this has nothing to do with your changes.

No, that's a separate issue due to an older Black version in the pre-commit-config.yaml.

Traceback (most recent call last):
  File "/home/vsts/.cache/pre-commit/repoixwdm4yz/py_env-python3/bin/black", line 8, in <module>
    sys.exit(patched_main())
  File "/home/vsts/.cache/pre-commit/repoixwdm4yz/py_env-python3/lib/python3.9/site-packages/black/__init__.py", line 1423, in patched_main
    patch_click()
  File "/home/vsts/.cache/pre-commit/repoixwdm4yz/py_env-python3/lib/python3.9/site-packages/black/__init__.py", line 1409, in patch_click
    from click import _unicodefun
ImportError: cannot import name '_unicodefun' from 'click' (/home/vsts/.cache/pre-commit/repoixwdm4yz/py_env-python3/lib/python3.9/site-packages/click/__init__.py)

https://dev.azure.com/qwlouse/Sacred%20CI/_build/results?buildId=590&view=logs&j=ac34510b-08de-5f02-c447-c38b966a6e9d&t=fa1e8bef-4a59-5d1a-f160-778c58d5909c&l=107