🐛 Fix types, python version and linter warnings

tests/test_esc.py

@@ -34,20 +34,18 @@ class ESCData(TypedDict):
     winner: str
     participating_countries: int
 
-with open(DATASET_BASE / "countries.json", "rb") as f:
+
+with (DATASET_BASE / "countries.json").open("rb") as f:
     COUNTRY_NAMES: dict[str, str] = orjson.loads(f.read())
 
+
 def get_country_name(country_code: str) -> str:
     """Convert country code to full country name."""
-
     return COUNTRY_NAMES.get(country_code.upper(), country_code)
 
 
 def get_country_mapping(year: int) -> dict[int, str]:
-    """
-    Map contestant IDs to country codes by reading the contestants directory.
-    Returns a dict: {contestant_id: country_code}
-    """
+    """Map contestant IDs to country codes by reading the contestants directory."""
     contestants_dir = DATASET_PATH / str(year) / "contestants"
     country_mapping: dict[int, str] = {}
 
@@ -93,8 +91,8 @@ def parse_year_data(year: int) -> ESCData:
     # Count participating countries
     participating_countries = count_participating_countries(year)
 
-    jury_scores = {}
-    televote_scores = {}
+    jury_scores: dict[str, int] = {}
+    televote_scores: dict[str, int] = {}
     winner = None
 
     performances = data.get("performances", [])
@@ -171,8 +169,10 @@ def test_esc_grand_final(year: int, data: ESCData) -> None:
     result = runner.invoke(
         app,
         [
-            "--jury-path", f.name,
-            "--participating-countries", str(participating_countries),
+            "--jury-path",
+            f.name,
+            "--participating-countries",
+            str(participating_countries),
             "--rest-of-world-vote" if rest_of_world_vote else "--no-rest-of-world-vote",
         ],
         input="\n".join(inputs),
@@ -183,4 +183,4 @@ def test_esc_grand_final(year: int, data: ESCData) -> None:
     except Exception:
         pytest.fail(f"Could not parse winner from output:\n{result.output}", pytrace=False)
 
-    assert actual == expected_winner, f"For {year}, expected winner {expected_winner} but got {actual!r}"
+    assert actual == expected_winner, f"For {year}, expected winner {expected_winner} but got {actual!r}"