Remove sympy dependency

[vprusso]

As sympy is a required install but only used for one function, it might be ideal to use another non-sympy approach to reduce the need to require sympy as a dependency.

toqito/toqito/states/mutually_unbiased_basis.py

Line 4 in 39bad5d

from sympy import isprime, primerange

We could then remove the dependency from the toml file:

toqito/pyproject.toml

Line 48 in 39bad5d

sympy = "1.12"

and from the requirements:

toqito/docs/requirements.txt

Line 3 in 39bad5d

sympy == 1.12

[purva-thakre]

Based on what I could find, we can use numpy for primerange. But I couldn't find a convenient substitute for isprime unless you are thinking of defining our own function for this.

It might be easier to keep sympy as a dependency instead.

[vprusso]

As you mentioned, @purva-thakre , I think either I would need to handroll the solution or use another third party package. For now, let's keep the dependency as you suggested. Closing for now.