chroma db

app.py

@@ -70,9 +70,8 @@ class RetrieverTool(Tool):
         )
         self.collection = collection
 
-    def forward(self, query: list[str]) -> str:
-        # assert isinstance(query, list[str]), "Your search query must be a string"
-
+    def forward(self, query: str) -> str:
+        assert isinstance(query, str), "Your search query must be a string"
         docs = self.collection.query(query, n_results=5)
         retrieved_text = "\nRetrieved documents:\n" + "".join(
             [