fix linting issues

pydantic_settings/sources.py

@@ -110,9 +110,11 @@ def import_azure_key_vault() -> None:
 
 def import_aws_secrets_manager() -> None:
     global boto3_client
+    global SecretsManagerClient
 
     try:
         from boto3 import client as boto3_client
+        from mypy_boto3_secretsmanager.client import SecretsManagerClient
     except ImportError as e:
         raise ImportError(
             'AWS Secrets Manager dependencies are not installed, run `pip install pydantic-settings[aws-secrets-manager]`'
@@ -2250,7 +2252,7 @@ def __repr__(self) -> str:
 
 class AWSSecretsManagerSettingsSource(EnvSettingsSource):
     _secret_id: str
-    _secretsmanager_client: SecretClient  # type: ignore
+    _secretsmanager_client: SecretsManagerClient  # type: ignore
 
     def __init__(
         self,
@@ -2261,7 +2263,7 @@ def __init__(
         env_parse_enums: bool | None = None,
     ) -> None:
         import_aws_secrets_manager()
-        self._secretsmanager_client = boto3_client('secretsmanager')
+        self._secretsmanager_client = boto3_client('secretsmanager')  # type: ignore
         self._secret_id = secret_id
         super().__init__(
             settings_cls,
@@ -2279,7 +2281,10 @@ def _load_env_vars(self) -> Mapping[str, Optional[str]]:
         return json.loads(response['SecretString'])
 
     def __repr__(self) -> str:
-        return f'{self.__class__.__name__}(secret_id={self._secret_id!r}, ' f'env_nested_delimiter={self.env_nested_delimiter!r})'
+        return (
+            f'{self.__class__.__name__}(secret_id={self._secret_id!r}, '
+            f'env_nested_delimiter={self.env_nested_delimiter!r})'
+        )
 
 
 def _get_env_var_key(key: str, case_sensitive: bool = False) -> str:

pyproject.toml

@@ -50,7 +50,7 @@ dynamic = ['version']
 yaml = ["pyyaml>=6.0.1"]
 toml = ["tomli>=2.0.1"]
 azure-key-vault = ["azure-keyvault-secrets>=4.8.0", "azure-identity>=1.16.0"]
-aws-secrets-manager = ["boto3>=1.35.98"]
+aws-secrets-manager = ["boto3>=1.35.0", "boto3-stubs[secretsmanager]"]
 
 [project.urls]
 Homepage = '/~https://github.com/pydantic/pydantic-settings'