diff --git a/.github/workflows/branch_ci.yml b/.github/workflows/branch_ci.yml
index 12ce9c47..ba18063e 100644
--- a/.github/workflows/branch_ci.yml
+++ b/.github/workflows/branch_ci.yml
@@ -52,6 +52,7 @@ jobs:
 
       - name: Typecheck package
         run: uv run mypy .
+        # TODO: GitHub output when https://github.com/python/mypy/pull/17771 merged
 
   # Job to run unittests
   # * Produces a JUnit XML report that can be displayed in the GitHub UI
diff --git a/src/nwp_consumer/internal/repositories/model_repositories/ecmwf_realtime.py b/src/nwp_consumer/internal/repositories/model_repositories/ecmwf_realtime.py
index b64f234b..db8acfba 100644
--- a/src/nwp_consumer/internal/repositories/model_repositories/ecmwf_realtime.py
+++ b/src/nwp_consumer/internal/repositories/model_repositories/ecmwf_realtime.py
@@ -320,7 +320,7 @@ def _wanted_file(filename: str, it: dt.datetime, max_step: int) -> bool:
         """
         prefix: str = os.getenv("ECMWF_DISSEMINATION_REALTIME_FILE_PREFIX", "A2")
         pattern: str = r"^" + prefix + r"[DS](\d{8})(\d{8})\d$"
-        match: re.Match | None = re.search(pattern=pattern, string=filename)
+        match: re.Match[str] | None = re.search(pattern=pattern, string=filename)
         if match is None:
             return False
         if it.strftime("%m%d%H%M") != match.group(1):
diff --git a/src/nwp_consumer/internal/repositories/model_repositories/test_ecmwf_realtime.py b/src/nwp_consumer/internal/repositories/model_repositories/test_ecmwf_realtime.py
index b799a36d..65d18b74 100644
--- a/src/nwp_consumer/internal/repositories/model_repositories/test_ecmwf_realtime.py
+++ b/src/nwp_consumer/internal/repositories/model_repositories/test_ecmwf_realtime.py
@@ -38,7 +38,11 @@ def test__download_and_convert(self) -> None:
         urls: list[str] = [
             f"s3://{f}"
             for f in c._fs.ls(f"{c.bucket}/ecmwf")
-            if c._wanted_file(f.split("/")[-1], test_it, c.model())
+            if c._wanted_file(
+                filename=f.split("/")[-1],
+                it=test_it,
+                max_step=max(c.model().expected_coordinates.step),
+            )
         ]
 
         for url in urls:
@@ -59,8 +63,6 @@ def test__download_and_convert(self) -> None:
     def test__wanted_file(self) -> None:
         """Test the _wanted_file method."""
 
-        c: ECMWFRealTimeS3ModelRepository = ECMWFRealTimeS3ModelRepository()
-
         @dataclasses.dataclass
         class TestCase:
             name: str
@@ -94,8 +96,8 @@ class TestCase:
 
         for t in tests:
             with self.subTest(name=t.name):
-                result = c._wanted_file(
+                result = ECMWFRealTimeS3ModelRepository._wanted_file(
                     filename=t.filename,
                     it=test_it,
-                    max_step=max(c.model().expected_coordinates.step))
+                    max_step=max(ECMWFRealTimeS3ModelRepository.model().expected_coordinates.step))
                 self.assertEqual(result, t.expected)
diff --git a/src/nwp_consumer/internal/services/consumer_service.py b/src/nwp_consumer/internal/services/consumer_service.py
index c8b73525..dd470848 100644
--- a/src/nwp_consumer/internal/services/consumer_service.py
+++ b/src/nwp_consumer/internal/services/consumer_service.py
@@ -92,7 +92,8 @@ def consume(self, it: dt.datetime | None = None) -> ResultE[pathlib.Path]:
                         if isinstance(write_result, Failure):
                             log.error(
                                 f"Error writing data for init time '{it:%Y-%m-%d %H:%M}' "
-                                f"and model {self.mr.repository().name}: {write_result.failure()!s}",
+                                f"and model {self.mr.repository().name}: "
+                                f"{write_result.failure()!s}",
                             )
                             failed_etls += 1
 
@@ -102,7 +103,8 @@ def consume(self, it: dt.datetime | None = None) -> ResultE[pathlib.Path]:
                 if failed_etls > 0:
                     monitor.join()
                     return Failure(OSError(
-                        f"Failed to write {failed_etls} regions for init time '{it:%Y-%m-%d %H:%M}'. "
+                        f"Failed to write {failed_etls} regions "
+                        f"for init time '{it:%Y-%m-%d %H:%M}'. "
                         "See error logs for details.",
                     ))