Updated file based on make pre-commit

Author: Harshil-Gupta

holidays/countries/pitcairn_islands.py

@@ -54,8 +54,11 @@ def _add_kings_birthday(self, name: str):
 
 class PN(PitcairnIslands):
     """Alias for PitcairnIslands."""
+
     pass
 
+
 class PCN(PitcairnIslands):
     """Alias for PitcairnIslands."""
+
     pass

tests/countries/test_pitcairn_islands.py

@@ -1,3 +1,15 @@
+#  holidays
+#  --------
+#  A fast, efficient Python library for generating country, province and state
+#  specific sets of holidays on the fly. It aims to make determining whether a
+#  specific date is a holiday as fast and flexible as possible.
+#
+#  Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+#           dr-prodigy <[email protected]> (c) 2017-2023
+#           ryanss <[email protected]> (c) 2014-2017
+#  Website: https://github.com/vacanza/holidays
+#  License: MIT (see LICENSE file)
+
 from datetime import date
 
 from holidays.countries.pitcairn_islands import PitcairnIslands, PN, PCN