Update app.py

app.py

@@ -111,7 +111,7 @@ def loadAndSplitPdfFile(filePath):
 
 def prepare_retriever(filePath = "", load_from_chromadb = False):
     if load_from_chromadb:
-        vector_store = Chroma(persist_directory=persist_directory, embedding = embeddings)
+        vector_store = Chroma(persist_directory=persist_directory, embedding_function = embeddings)
         return vector_store.as_retriever(search_kwargs={"k": 5})    
     elif filePath:   
         doc_chunks = loadAndSplitPdfFile(filePath)