Tell isort to skip _version.py

Author: Joseph G. Shuttleworth

pyproject.toml

@@ -61,4 +61,7 @@ include = ["pcpostprocess", "pcpostprocess.scripts", "pcpostprocess.*"]
 
 [project.urls]
 Homepage = "https://github.com/CardiacModelling/pcpostprocess"
-Source = "https://github.com/CardiacModelling/pcpostprocess"
+Source = "https://github.com/CardiacModelling/pcpostprocess"
+
+[tool.isort]
+skip = ["_version.py"]