Update crew.py

Added OpenAiEmbeddingFunction as an allowed type to be in line with the documentation and to accept custom OAI-like embedder

src/crewai/crew.py

@@ -19,6 +19,8 @@ from pydantic import (
 )
 from pydantic_core import PydanticCustomError
 
+from chromadb.utils.embedding_functions.openai_embedding_function import OpenAIEmbeddingFunction
+
 from crewai.agent import Agent
 from crewai.agents.agent_builder.base_agent import BaseAgent
 from crewai.agents.cache import CacheHandler
@@ -136,7 +138,7 @@ class Crew(BaseModel):
         default=None,
         description="An instance of the UserMemory to be used by the Crew to store/fetch memories of a specific user.",
     )
-    embedder: Optional[dict] = Field(
+    embedder: Optional[Union[dict, OpenAIEmbeddingFunction]] = Field(
         default=None,
         description="Configuration for the embedder to be used for the crew.",
     )