Update app.py

app.py

@@ -94,8 +94,12 @@ fs = HfFileSystem(token=os.environ["acces_token"])
 
 def write_to_file(file_name,content):
     file_path = f"spaces/mgreg555/docs_chat/" + file_name
-    with fs.open(file_path, "a") as file:
-        file.write(content)
+    with fs.open(file_path, "r") as file_old:
+        content_old = file_old.read()
+        print(content_old)
+
+    with fs.open(file_path, "w") as file:
+        file.write(f"{content_old}\n" + content)
 
 # Example usage