Update app.py

app.py

@@ -46,14 +46,13 @@ def generate_html() -> str:
             html += "</div>"
             return html
 
-
 def store_message(chatinput: str, chatresponse: str):
     if chatinput and chatresponse:
         with open(DATA_FILE, "a") as csvfile:
-            writer = csv.DictWriter(csvfile, fieldnames=["chatinput", "chatresponse", "time"])
-            writer.writerow(
-                {"chatinput": chatinput, "chatresponse": chatresponse, "time": str(datetime.now())}
-            )
+            writer = csv.writer(csvfile, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
+            if csvfile.tell() == 0:
+                writer.writerow(['User input', 'Chatbot response', 'Date and Time'])
+            writer.writerow([chatinput, chatresponse, datetime.now().strftime('%Y-%m-%d %H:%M:%S')])
         commit_url = repo.push_to_hub()
         print(commit_url)