multiple: pydantic 2 compatibility, v0.3 (#26443)

Signed-off-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>
Co-authored-by: Dan O'Donovan <dan.odonovan@gmail.com>
Co-authored-by: Tom Daniel Grande <tomdgrande@gmail.com>
Co-authored-by: Grande <Tom.Daniel.Grande@statsbygg.no>
Co-authored-by: Bagatur <baskaryan@gmail.com>
Co-authored-by: ccurme <chester.curme@gmail.com>
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
Co-authored-by: Tomaz Bratanic <bratanic.tomaz@gmail.com>
Co-authored-by: ZhangShenao <15201440436@163.com>
Co-authored-by: Friso H. Kingma <fhkingma@gmail.com>
Co-authored-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Nuno Campos <nuno@langchain.dev>
Co-authored-by: Morgante Pell <morgantep@google.com>

libs/community/langchain_community/utilities/apify.py

@@ -1,8 +1,8 @@
 from typing import TYPE_CHECKING, Any, Callable, Dict, Optional
 
 from langchain_core.documents import Document
-from langchain_core.pydantic_v1 import BaseModel, root_validator
 from langchain_core.utils import get_from_dict_or_env
+from pydantic import BaseModel, model_validator
 
 if TYPE_CHECKING:
     from langchain_community.document_loaders import ApifyDatasetLoader
@@ -19,8 +19,9 @@ class ApifyWrapper(BaseModel):
     apify_client_async: Any
     apify_api_token: Optional[str] = None
 
-    @root_validator(pre=True)
-    def validate_environment(cls, values: Dict) -> Dict:
+    @model_validator(mode="before")
+    @classmethod
+    def validate_environment(cls, values: Dict) -> Any:
         """Validate environment.
         Validate that an Apify API token is set and the apify-client
         Python package exists in the current environment.