from __future__ import annotations (#2464)

* from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

ciphers/rsa_factorization.py

@@ -7,12 +7,13 @@ Source: on page 3 of https://crypto.stanford.edu/~dabo/papers/RSA-survey.pdf
 More readable source: https://www.di-mgt.com.au/rsa_factorize_n.html
 large number can take minutes to factor, therefore are not included in doctest.
 """
+from __future__ import annotations
+
 import math
 import random
-from typing import List
 
 
-def rsafactor(d: int, e: int, N: int) -> List[int]:
+def rsafactor(d: int, e: int, N: int) -> list[int]:
     """
     This function returns the factors of N, where p*q=N
       Return: [p, q]