Update app.py

app.py

@@ -419,11 +419,7 @@ After writing the document, please provide a list of sources used in your respon
     if not full_response:
         yield "I apologize, but I couldn't generate a response at this time. Please try again later."
 
-# New global variable for web search database
-web_search_database = None
-
-def update_web_search_vectors(search_results):
-    global web_search_database
+def create_web_search_vectors(search_results):
     embed = get_embeddings()
     
     documents = []
@@ -432,18 +428,13 @@ def update_web_search_vectors(search_results):
             content = f"{result['title']}\n{result['body']}\nSource: {result['href']}"
             documents.append(Document(page_content=content, metadata={"source": result['href']}))
     
-    if web_search_database is None:
-        web_search_database = FAISS.from_documents(documents, embed)
-    else:
-        web_search_database.add_documents(documents)
+    return FAISS.from_documents(documents, embed)
 
 def get_response_with_search(query, model, num_calls=3, temperature=0.2):
-    global web_search_database
-    
     search_results = duckduckgo_search(query)
-    update_web_search_vectors(search_results)
+    web_search_database = create_web_search_vectors(search_results)
     
-    if web_search_database is None:
+    if not web_search_database:
         yield "No web search results available. Please try again.", ""
         return
     
@@ -478,7 +469,6 @@ After writing the document, please provide a list of sources used in your respon
                     main_content += chunk
                     yield main_content, ""  # Yield partial main content without sources
 
-
 def get_response_from_pdf(query, model, selected_docs, num_calls=3, temperature=0.2):
     logging.info(f"Entering get_response_from_pdf with query: {query}, model: {model}, selected_docs: {selected_docs}")