From 1acf98d32a33bfb5ccf4c57059959c743a189688 Mon Sep 17 00:00:00 2001
From: Brandon Willett <brandon@doist.com>
Date: Fri, 28 Feb 2025 11:46:32 -0500
Subject: [PATCH] style change

---
 bitmapist/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bitmapist/__init__.py b/bitmapist/__init__.py
index 27df150..09f9951 100644
--- a/bitmapist/__init__.py
+++ b/bitmapist/__init__.py
@@ -210,8 +210,8 @@ def _mark(
         track_hourly = TRACK_HOURLY
     if track_unique is None:
         track_unique = TRACK_UNIQUE
-
-    now = now or datetime.now(tz=timezone.utc)
+    if now is None:
+        now = datetime.now(tz=timezone.utc)
 
     obj_classes: list[
         type[MonthEvents]