Regular Python functions with no validation

no_validation_funcs.py

import pytest
from typing import Optional
from pydantic import PositiveInt, ValidationError


def get_payload(url: str, retries: PositiveInt) -> Optional[dict]:  # 1
    if url.startswith("http"):
        # send the actual request and return the payload if valid response
        return {}
    return None


@pytest.mark.parametrize(
    "url,retries", 
    [([1, 2], 3), (4, 'wrong_args')]
)
def test_get_payload_can_fail_for_invalid_args(url, retries):
    with pytest.raises(AttributeError):  # 2
        get_payload(url=url, retries=retries)  # 2