Update app.py

app.py

@@ -33,7 +33,10 @@ def read_file(file_path):
 def create_db_from_text(text):
     text_splitter = RecursiveCharacterTextSplitter(chunk_size=1024, chunk_overlap=64)
     splits = text_splitter.create_documents([text])
-    embeddings = HuggingFaceEmbeddings()
+    
+    # Specify an explicit model for embeddings
+    embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")
+
     vector_db = FAISS.from_documents(splits, embeddings)
     return vector_db