Fix default value for k parameter and add default value for searx_host parameter

src/backend/langflow/components/utilities/SearxSearchWrapper.py

@@ -26,8 +26,8 @@ class SearxSearchWrapperComponent(CustomComponent):
 
     def build(
         self,
-        k: Optional[int] = 10,
+        k: int = 10,
         headers: Optional[Dict[str, str]] = None,
-        searx_host: Optional[str] = None,
+        searx_host: str = "https://searx.example.com",
     ) -> SearxSearchWrapper:
         return SearxSearchWrapper(headers=headers, k=k, searx_host=searx_host)

src/backend/langflow/components/utilities/SerpAPIWrapper.py

@@ -24,4 +24,7 @@ class SerpAPIWrapperComponent(CustomComponent):
         serpapi_api_key: str,
         params: dict,
     ) -> Union[SerpAPIWrapper, Callable]:  # Removed quotes around SerpAPIWrapper
-        return SerpAPIWrapper(serpapi_api_key=serpapi_api_key, params=params)
+        return SerpAPIWrapper(
+            serpapi_api_key=serpapi_api_key,
+            params=params,
+        )