Update app.py

app.py

@@ -210,7 +210,8 @@ def compress_data(c, instruct, history):
 def summarize(inp,history,data=None,file=None,url=None):
     if inp == "":
         inp = "Process this data"
-    history = [(inp,"Working on it...")] if not history else history
+    history.clear()
+    history = [(inp,"Working on it...")] 
     yield "",history
     if url != "":
         val, out = find_all(url)