Update app.py

app.py

@@ -121,12 +121,10 @@ def talk(prompt, history):
     # write data to file
         with open("./file.txt", "a") as data:
             data.write(historylog)
-        data = open("./file.txt", "r")
-        data.seek(0)
     # Read the contents of the file to display it.
-        print("History log printed:")
-        print(data.read())
-        data.close()
+    print("History log printed:")
+        with open("./file.txt", "r") as data:
+            print(data.read())
     
     except IOError as e:
         print(f"An error occurred: {e}")