fix import for llama_index 0.10.0

ragstack-e2e-tests/e2e_tests/test_utils/astradb_vector_store_handler.py

@@ -10,7 +10,12 @@
 from langchain_community.chat_message_histories import AstraDBChatMessageHistory
 from langchain_community.vectorstores.astradb import AstraDB
 from langchain_core.chat_history import BaseChatMessageHistory
-from llama_index.vector_stores import AstraDBVectorStore
+
+try:
+    from llama_index.vector_stores import AstraDBVectorStore
+except ImportError:
+    # change made with llama_index 0.10.0
+    from llama_index.vector_stores.astra import AstraDBVectorStore
 
 from e2e_tests.test_utils import get_required_env, random_string
 from e2e_tests.test_utils.vector_store_handler import (