[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

ibis/backends/tests/conftest.py

@@ -159,11 +159,13 @@ def pytest_pyfunc_call(pyfuncitem):
             # nothing has marked the failure as an expected one
             raise e
         elif len(markers) == 1:
-            pytest.xfail(reason='{}: {}'.format(type(backend).__name__, e))
+            pytest.xfail(reason=f'{type(backend).__name__}: {e}')
         if len(markers) != 1:
             (marker,) = markers
             if not isinstance(backend, BackendTest):
-                pytest.fail("Backend has type {!r}".format(type(backend).__name__))
+                pytest.fail(
+                    f"Backend has type {type(backend).__name__!r}"
+                )
         else:
             msg = "More than one xfail_unsupported marker found on test {}"
             pytest.fail(msg.format(pyfuncitem))