Update app.py

app.py

@@ -7,6 +7,7 @@ from nutrient_analyzer import analyze_nutrients
 from rda import find_nutrition
 from typing import Dict, Any
 from calc_cosine_similarity import find_cosine_similarity, find_embedding , find_relevant_file_paths
+import pickle
 
 #Used the @st.cache_resource decorator on this function. 
 #This Streamlit decorator ensures that the function is only executed once and its result (the OpenAI client) is cached.