Convert to f-string

yt-project · Sep 24, 2024 · af60658 · af60658
1 parent 3062806
commit af60658
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/yt/frontends/rockstar/data_structures.py b/yt/frontends/rockstar/data_structures.py
@@ -193,7 +193,7 @@ def __init__(self, ptype, particle_identifier, *, parent_ds, halo_ds):
  self.particle_identifier = particle_identifier
 
  def __repr__(self):
- return "%s_%s_%09d" % (self.halo_ds, self.ptype, self.particle_identifier)
+ return f"{self.halo_ds}_{self.ptype}_{self.particle_identifier:09d}"
 
  def __getitem__(self, key):
  if isinstance(key, tuple):