Use f-string for string interpolation

Author: DimitriPapadopoulos

tests/conftest.py

@@ -109,7 +109,7 @@ async def store2(request: pytest.FixtureRequest, tmpdir: LEGACY_PATH) -> Store:
 def sync_store(request: pytest.FixtureRequest, tmp_path: LEGACY_PATH) -> Store:
     result = sync(parse_store(request.param, str(tmp_path)))
     if not isinstance(result, Store):
-        raise TypeError("Wrong store class returned by test fixture! got " + result + " instead")
+        raise TypeError(f"Wrong store class returned by test fixture! got {result} instead")
     return result
 
 

tests/test_codec_entrypoints.py

@@ -25,7 +25,7 @@ def set_path() -> Generator[None, None, None]:
 @pytest.mark.usefixtures("set_path")
 @pytest.mark.parametrize("codec_name", ["TestEntrypointCodec", "TestEntrypointGroup.Codec"])
 def test_entrypoint_codec(codec_name: str) -> None:
-    config.set({"codecs.test": "package_with_entrypoint." + codec_name})
+    config.set({"codecs.test": f"package_with_entrypoint.{codec_name}"})
     cls_test = zarr.registry.get_codec_class("test")
     assert cls_test.__qualname__ == codec_name
 
@@ -42,7 +42,7 @@ def test_entrypoint_pipeline() -> None:
 def test_entrypoint_buffer(buffer_name: str) -> None:
     config.set(
         {
-            "buffer": "package_with_entrypoint." + buffer_name,
+            "buffer": f"package_with_entrypoint.{buffer_name}",
             "ndbuffer": "package_with_entrypoint.TestEntrypointNDBuffer",
         }
     )