Remove unnecessary TypeVar

Author: carl-baillargeon

anta/tests/snmp.py

@@ -7,7 +7,7 @@
 # mypy: disable-error-code=attr-defined
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, ClassVar, TypeVar, get_args
+from typing import TYPE_CHECKING, ClassVar, get_args
 
 from pydantic import field_validator
 
@@ -19,9 +19,6 @@
 if TYPE_CHECKING:
     from anta.models import AntaTemplate
 
-# Using a TypeVar for the SnmpUser model since mypy thinks it's a ClassVar and not a valid type when used in field validators
-T = TypeVar("T", bound=SnmpUser)
-
 
 class VerifySnmpStatus(AntaTest):
     """Verifies whether the SNMP agent is enabled in a specified VRF.
@@ -393,7 +390,7 @@ class Input(AntaTest.Input):
 
         @field_validator("snmp_users")
         @classmethod
-        def validate_snmp_users(cls, snmp_users: list[T]) -> list[T]:
+        def validate_snmp_users(cls, snmp_users: list[SnmpUser]) -> list[SnmpUser]:
             """Validate that 'auth_type' or 'priv_type' field is provided in each SNMPv3 user."""
             for user in snmp_users:
                 if user.version == "v3" and not (user.auth_type or user.priv_type):