Partial f-string

Author: Pierre-Sassoulas

testing/python/metafunc.py

@@ -1438,7 +1438,7 @@ def test_parametrize_scope_overrides(
         self, pytester: Pytester, scope: str, length: int
     ) -> None:
         pytester.makepyfile(
-            """
+            f"""
             import pytest
             values = []
             def pytest_generate_tests(metafunc):
@@ -1454,9 +1454,9 @@ def test_hello(arg):
             def test_world(arg):
                 assert arg in (1,2)
             def test_checklength():
-                assert len(values) == %d
-        """  # noqa: UP031 (str have no __repr__)
-            % (scope, length)
+                assert len(values) == {length}
+        """
+            % scope
         )
         reprec = pytester.inline_run()
         reprec.assertoutcome(passed=5)