Merge pull request #140 from NHSDigital/mm-mesh-1761-update-api-spec-to-remove-hscn

mesh-1761: switch from pairwise back to previous implementation

Author: matt-mercer

.tool-versions

@@ -0,0 +1 @@
+python 3.10.12

scripts/calculate_version.py

@@ -18,7 +18,6 @@
 
 import itertools
 import os.path
-from itertools import pairwise
 
 import git
 import semver
@@ -54,7 +53,7 @@ def is_minor_inc(commit):
 
 def without_empty(commits):
     """Takes a list of commits and returns a list without empty commits"""
-    pairs = pairwise(commits)
+    pairs = zip(commits, commits[1:], strict=False)  # noqa: RUF007
 
     for fst, snd in pairs:
         if fst.tree != snd.tree: