multiple files option

app.py

@@ -90,22 +90,22 @@ async def on_chat_start():
             max_files=10
         ).send()
 
-    file = files[0]
+    for file in files:
 
-    msg = cl.Message(
-        content=f"Processing `{file.name}`...", disable_human_feedback=True
-    )
-    await msg.send()
+        msg = cl.Message(
+            content=f"Processing `{file.name}`...", disable_human_feedback=True
+        )
+        await msg.send()
 
-    # load the file
-    texts = process_text_file(file)
+        # load the file
+        texts = process_text_file(file)
 
-    print(f"Processing {len(texts)} text chunks")
+        print(f"Processing {len(texts)} text chunks")
 
-    # Create a dict vector store
-    vector_db = VectorDatabase()
-    vector_db = await vector_db.abuild_from_list(texts)
-    
+        # Create a dict vector store
+        vector_db = VectorDatabase()
+        vector_db = await vector_db.abuild_from_list(texts)
+        
     chat_openai = ChatOpenAI()
 
     # Create a chain