Minor fix

Author: mapio

CHANGELOG.txt

@@ -1,6 +1,11 @@
 Changelog
 =========
 
+v1.12.2 (2025-04-09)
+--------------------
+
+- Un-deprecated first, we actually use it with frozenset that have no pop.
+
 v1.12.1 (2025-04-09)
 --------------------
 

src/liblet/utils.py

@@ -22,8 +22,7 @@ def warn(msg):
 
 
 def first(s):
-  """Deprecated. Use set.pop"""
-  deprecation_warning('The function "first" is now deprecated, please use "pop" instead')
+  """Returns the first element of the iterable  or `None` if empty."""
   return next(iter(s)) if s else None