fix: elastic search (#600)

embedchain/vectordb/chroma.py

@@ -87,7 +87,7 @@ class ChromaDB(BaseVectorDB):
         )
         return self.collection
 
-    def get(self, ids=None, where=None, limit=None):
+    def get(self, ids: Optional[List[str]] = None, where: Optional[Dict[str, any]] = None, limit: Optional[int] = None):
         """
         Get existing doc ids present in vector database
 
@@ -95,6 +95,8 @@ class ChromaDB(BaseVectorDB):
         :type ids: List[str]
         :param where: Optional. to filter data
         :type where: Dict[str, Any]
+        :param limit: Optional. maximum number of documents
+        :type limit: Optional[int]
         :return: Existing documents.
         :rtype: List[str]
         """
@@ -180,6 +182,8 @@ class ChromaDB(BaseVectorDB):
         :param name: Name of the collection.
         :type name: str
         """
+        if not isinstance(name, str):
+            raise TypeError("Collection name must be a string")
         self.config.collection_name = name
         self._get_or_create_collection(self.config.collection_name)