Update app.py

app.py

@@ -1,4 +1,3 @@
-import datetime
 import json
 import os
 import tempfile
@@ -305,7 +304,7 @@ def add_new_eval(
             if row["username"] == profile.username
         )
 
-        current_month = datetime.datetime.now().strftime("%Y-%m")
+        current_month = datetime.now().strftime("%Y-%m")
         current_month_submissions = [
             date for date in user_submission_dates if date.startswith(current_month)
         ]
@@ -331,7 +330,7 @@ def add_new_eval(
             eval_type,
         )
 
-        submission_time = datetime.datetime.today().strftime("%Y-%m-%d-%H:%M")
+        submission_time = datetime.today().strftime("%Y-%m-%d-%H:%M")
 
         # Upload submission file
         yield "☁️ Uploading submission file..."