works

app.py

@@ -25,9 +25,10 @@ class ChatWrapper:
         self.lock.acquire()
         try:
             history = history or []
-            new_index = GPTSimpleVectorIndex.load_from_disk('index.json')
-            
-            response = new_index.query(input, verbose=True)
+            documents = SimpleDirectoryReader('data').load_data()
+            index = GPTSimpleVectorIndex(documents)
+            response = index.query(input, verbose=True)
+
             history.append((input, str(response)))
         except Exception as e:
 
@@ -42,7 +43,7 @@ def make_status_box_visible():
 def create_index():
     documents = SimpleDirectoryReader('data').load_data()
     index = GPTSimpleVectorIndex(documents)
-    index.save_to_disk('index.json')
+
 
 def pdf_to_text(file_obj, progress=gr.Progress()):
     progress(0.2, desc="Uploading file...")