Add pre-commit hook for pyupgrade

.pre-commit-config.yaml

@@ -33,6 +33,13 @@ repos:
         language: system
         types: [python]
         require_serial: true
+      - id: pyupgrade
+        name: pyupgrade
+        description: Automatically upgrade syntax for newer versions.
+        entry: pyupgrade
+        language: system
+        types: [python]
+        args: [--py37-plus]
       - id: reorder-python-imports
         name: Reorder python imports
         entry: reorder-python-imports

noxfile.py

@@ -96,6 +96,7 @@ def precommit(session: Session) -> None:
         "pep8-naming",
         "pre-commit",
         "pre-commit-hooks",
+        "pyupgrade",
         "reorder-python-imports",
     )
     session.run("pre-commit", *args)

pyproject.toml

@@ -55,6 +55,7 @@ pre-commit-hooks = "^4.0.1"
 typeguard = "^2.13.2"
 sphinx-rtd-theme = "^1.0.0"
 coverage = {version = "6.1.2", extras = ["toml"]}
+pyupgrade = "^2.29.1"
 
 [tool.coverage.paths]
 source = ["src", "*/site-packages"]

src/django_sorting_bootstrap/templatetags/sorting_tags.py

@@ -27,7 +27,7 @@ def result_headers(context, cl):
                 continue
 
         # OK, it is sortable if we got this far
-        th_classes = ["sortable", "column-{}".format(field_name)]
+        th_classes = ["sortable", f"column-{field_name}"]
         ascending = None
         is_sorted = False
         # Is it currently being sorted on?
@@ -173,7 +173,7 @@ def auto_sort(parser, token):
         tag_name, queryset = token.split_contents()
     except ValueError:
         raise template.TemplateSyntaxError(
-            "{} tag requires a single argument".format(token.contents.split()[0])
+            f"{token.contents.split()[0]} tag requires a single argument"
         ) from None
     return SortedQuerysetNode(queryset)