style: apply ruff format to all source files

tests/test_formatters.py

@@ -134,7 +134,9 @@ def odt_formatter():
             )
         ),
     ):
-        yield ODTFormatter(author="Тест Автор", from_date="2026-01-01", to_date="2026-01-31")
+        yield ODTFormatter(
+            author="Тест Автор", from_date="2026-01-01", to_date="2026-01-31"
+        )
 
 
 # -- Тесты упаковки formatters как полноценного пакета --
@@ -171,7 +173,11 @@ def _simulate_missing_odfpy():
 
     saved = {}
     for key in list(sys.modules.keys()):
-        if key == "odf" or key.startswith("odf.") or key == "redmine_reporter.formatters.odt":
+        if (
+            key == "odf"
+            or key.startswith("odf.")
+            or key == "redmine_reporter.formatters.odt"
+        ):
             saved[key] = sys.modules.pop(key)
     return saved
 
@@ -474,7 +480,9 @@ def test_odt_empty_author_no_garbage_in_header(fake_rows):
             )
         ),
     ):
-        formatter = ODTFormatter(author="", from_date="2026-01-01", to_date="2026-01-31")
+        formatter = ODTFormatter(
+            author="", from_date="2026-01-01", to_date="2026-01-31"
+        )
         doc = formatter.format(fake_rows)
 
         from odf.text import P
@@ -501,7 +509,9 @@ def test_odt_formatter_save_creates_valid_file(fake_rows, tmp_path):
             )
         ),
     ):
-        formatter = ODTFormatter(author="Тест", from_date="2026-01-01", to_date="2026-01-31")
+        formatter = ODTFormatter(
+            author="Тест", from_date="2026-01-01", to_date="2026-01-31"
+        )
         output_file = tmp_path / "report.odt"
         formatter.save(fake_rows, str(output_file))
 
@@ -537,7 +547,9 @@ def test_odt_has_covered_cells_for_spans(fake_rows):
             )
         ),
     ):
-        formatter = ODTFormatter(author="Тест", from_date="2026-01-01", to_date="2026-01-31")
+        formatter = ODTFormatter(
+            author="Тест", from_date="2026-01-01", to_date="2026-01-31"
+        )
         doc = formatter.format(fake_rows)
 
         from odf.table import CoveredTableCell