Updating path for chroma_db

src/vectorstores/chroma_vectorstore.py

@@ -1,4 +1,5 @@
 # src/vectorstores/chroma_vectorstore.py
+import os
 import chromadb
 from typing import List, Callable, Any, Dict, Optional
 from chromadb.config import Settings
@@ -25,10 +26,14 @@ class ChromaVectorStore(BaseVectorStore):
             client_settings (Optional[Dict[str, Any]]): Additional settings for ChromaDB client
         """
         try:
+            persist_directory = os.path.abspath(persist_directory)
+            os.makedirs(self._persist_directory, exist_ok=True)
+
             settings = Settings(
                 persist_directory=persist_directory,
                 **(client_settings or {})
             )
+
             self.client = chromadb.PersistentClient(settings=settings)
             self.collection = self.client.get_or_create_collection(
                 name=collection_name,