Update app.py

app.py

@@ -7,6 +7,7 @@ from embedding import model, docs_list, doc_embeddings, embedded_dict
 from preprocess import meme_attribute, meme_filename, meme_list
 import openai
 from openai import OpenAI
+import os
 
 api_key = os.getenv("YOUR_OPENAI_KEY")
 openai.api_key = api_key