linting

app.py

@@ -143,11 +143,9 @@ def prep_dataframe(remove_orgs_and_users=remove_orgs, columns_to_drop=columns_to
 def filter_df_by_max_age(max_age_days=None):
     df = prep_dataframe()
     df = df.dropna(subset=["created"])
-
-    now = datetime.datetime.now()
-
+    now = datetime.now()
     if max_age_days is not None:
-        max_date = now - datetime.timedelta(days=max_age_days)
+        max_date = now - timedelta(days=max_age_days)
         df = df[df["created"] >= max_date]
 
     return df