CrateDB: Stop using local FloatVector implementation

Author: amotl

libs/community/langchain_community/vectorstores/cratedb/model.py

@@ -2,14 +2,9 @@
 from typing import Any, List, Optional, Tuple
 
 import sqlalchemy
-try:
-    from sqlalchemy_cratedb import ObjectType
-except ImportError:
-    from crate.client.sqlalchemy.types import ObjectType
+from sqlalchemy_cratedb import ObjectType, FloatVector
 from sqlalchemy.orm import Session, declarative_base, relationship
 
-from langchain_community.vectorstores.cratedb.sqlalchemy_type import FloatVector
-
 
 def generate_uuid() -> str:
     return str(uuid.uuid4())