[CHORE]: x: T = None to x: Optional[T] = None (#24217)

api/core/app/entities/queue_entities.py

@@ -610,7 +610,7 @@ class QueueErrorEvent(AppQueueEvent):
     """
 
     event: QueueEvent = QueueEvent.ERROR
-    error: Any = None
+    error: Optional[Any] = None
 
 
 class QueuePingEvent(AppQueueEvent):

api/core/app/task_pipeline/based_generate_task_pipeline.py

@@ -52,7 +52,8 @@ class BasedGenerateTaskPipeline:
         elif isinstance(e, InvokeError | ValueError):
             err = e
         else:
-            err = Exception(e.description if getattr(e, "description", None) is not None else str(e))
+            description = getattr(e, "description", None)
+            err = Exception(description if description is not None else str(e))
 
         if not message_id or not session:
             return err

api/core/extension/extensible.py

@@ -17,7 +17,7 @@ class ExtensionModule(enum.Enum):
 
 
 class ModuleExtension(BaseModel):
-    extension_class: Any = None
+    extension_class: Optional[Any] = None
     name: str
     label: Optional[dict] = None
     form_schema: Optional[list] = None

api/core/extension/extension.py

@@ -38,6 +38,7 @@ class Extension:
 
     def extension_class(self, module: ExtensionModule, extension_name: str) -> type:
         module_extension = self.module_extension(module, extension_name)
+        assert module_extension.extension_class is not None
         t: type = module_extension.extension_class
         return t
 

api/core/mcp/session/base_session.py

@@ -4,7 +4,7 @@ from collections.abc import Callable
 from concurrent.futures import Future, ThreadPoolExecutor, TimeoutError
 from datetime import timedelta
 from types import TracebackType
-from typing import Any, Generic, Self, TypeVar
+from typing import Any, Generic, Optional, Self, TypeVar
 
 from httpx import HTTPStatusError
 from pydantic import BaseModel
@@ -209,7 +209,7 @@ class BaseSession(
         request: SendRequestT,
         result_type: type[ReceiveResultT],
         request_read_timeout_seconds: timedelta | None = None,
-        metadata: MessageMetadata = None,
+        metadata: Optional[MessageMetadata] = None,
     ) -> ReceiveResultT:
         """
         Sends a request and wait for a response. Raises an McpError if the

api/core/mcp/types.py

@@ -1173,7 +1173,7 @@ class SessionMessage:
     """A message with specific metadata for transport-specific features."""
 
     message: JSONRPCMessage
-    metadata: MessageMetadata = None
+    metadata: Optional[MessageMetadata] = None
 
 
 class OAuthClientMetadata(BaseModel):

api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenizer.py

@@ -1,10 +1,10 @@
 import logging
 from threading import Lock
-from typing import Any
+from typing import Any, Optional
 
 logger = logging.getLogger(__name__)
 
-_tokenizer: Any = None
+_tokenizer: Optional[Any] = None
 _lock = Lock()
 
 

api/core/rag/extractor/watercrawl/provider.py

@@ -1,6 +1,6 @@
 from collections.abc import Generator
 from datetime import datetime
-from typing import Any
+from typing import Any, Optional
 
 from core.rag.extractor.watercrawl.client import WaterCrawlAPIClient
 
@@ -9,7 +9,7 @@ class WaterCrawlProvider:
     def __init__(self, api_key, base_url: str | None = None):
         self.client = WaterCrawlAPIClient(api_key, base_url)
 
-    def crawl_url(self, url, options: dict | Any = None) -> dict:
+    def crawl_url(self, url, options: Optional[dict | Any] = None) -> dict:
         options = options or {}
         spider_options = {
             "max_depth": 1,