diff --git a/bookwyrm/forms/forms.py b/bookwyrm/forms/forms.py
index 0715be62b..667c02583 100644
--- a/bookwyrm/forms/forms.py
+++ b/bookwyrm/forms/forms.py
@@ -59,11 +59,17 @@ class ReadThroughForm(CustomForm):
                 "stopped_date", _("Reading stopped date cannot be before start date.")
             )
         current_time = datetime.datetime.now()
-        if stopped_date is not None and current_time.timestamp() < stopped_date.timestamp():
+        if (
+            stopped_date is not None
+            and current_time.timestamp() < stopped_date.timestamp()
+        ):
             self.add_error(
                 "stopped_date", _("Reading stopped date cannot be in the future.")
             )
-        if finish_date is not None and current_time.timestamp() < finish_date.timestamp():
+        if (
+            finish_date is not None
+            and current_time.timestamp() < finish_date.timestamp()
+        ):
             self.add_error(
                 "finish_date", _("Reading finished date cannot be in the future.")
             )