From 64b8d94ec3d477c4bc3c84032ec76f36bfeff6e8 Mon Sep 17 00:00:00 2001
From: robjmcgibbon <robjmcgibbon@gmail.com>
Date: Thu, 12 Sep 2024 18:44:04 +0100
Subject: [PATCH] Format

---
 swiftsimio/objects.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/swiftsimio/objects.py b/swiftsimio/objects.py
index 876dc1c4..774ed258 100644
--- a/swiftsimio/objects.py
+++ b/swiftsimio/objects.py
@@ -106,10 +106,12 @@
 # The scale factor!
 a = sympy.symbols("a")
 
+
 class InvalidConversionError(Exception):
     def __init__(self, message="Could not convert to comoving coordinates"):
         self.message = message
 
+
 def _propagate_cosmo_array_attributes(func):
     def wrapped(self, *args, **kwargs):
         ret = func(self, *args, **kwargs)
@@ -818,7 +820,9 @@ def __new__(
                 not obj.comoving
             ), "Cosmo arrays without a valid transform to comoving units must be physical"
         if obj.comoving:
-            assert obj.valid_transform, "Comoving Cosmo arrays must be able to be transformed to physical"
+            assert (
+                obj.valid_transform
+            ), "Comoving Cosmo arrays must be able to be transformed to physical"
 
         return obj