Update app.py

app.py

@@ -5,6 +5,8 @@ from langchain_community.document_loaders import PDFPlumberLoader
 from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain_core.vectorstores import InMemoryVectorStore
 from langchain_core.prompts import ChatPromptTemplate
+from langchain_community.vectorstores import InMemoryVectorStore
+from langchain_huggingface import HuggingFaceEmbeddings  # Import HF Embeddings
 
 HUGGINGFACE_API_KEY = os.getenv("HUGGINGFACE_API_KEY")
 
@@ -21,7 +23,14 @@ Context: {context}
 Answer:
 """
 
-vector_store = InMemoryVectorStore()
+
+
+# Initialize Hugging Face embeddings
+embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")
+
+# Initialize vector store with embeddings
+vector_store = InMemoryVectorStore(embedding=embeddings)
+
 
 
 def upload_pdf(file):