style: use black as formatter

tests/filetools.py

@@ -1,6 +1,7 @@
 """Tools for files.  """
 
 import os
+
 __dirname__ = os.path.abspath(os.path.dirname(__file__))
 
 

tests/test_fetch_holidays.py

@@ -3,40 +3,54 @@ import json
 
 import pytest
 
-from fetch_holidays import (CustomJSONEncoder, DescriptionParser, get_paper,
-                            get_paper_urls, get_rules)
+from fetch_holidays import (
+    CustomJSONEncoder,
+    DescriptionParser,
+    get_paper,
+    get_paper_urls,
+    get_rules,
+)
 
 from .filetools import _file_path
 
 
 def test_get_paper_urls():
     assert get_paper_urls(2019) == [
-        'http://www.gov.cn/zhengce/content/2018-12/06/content_5346276.htm',
-        'http://www.gov.cn/zhengce/content/2019-03/22/content_5375877.htm',
+        "http://www.gov.cn/zhengce/content/2018-12/06/content_5346276.htm",
+        "http://www.gov.cn/zhengce/content/2019-03/22/content_5375877.htm",
     ]
 
 
 def test_get_rules():
-    assert (
-        list(get_rules(get_paper(
-            'http://www.gov.cn/zhengce/content/2019-03/22/content_5375877.htm')))
-        == [('劳动节',
-             '2019年5月1日至4日放假调休，共4天。4月28日（星期日）、5月5日（星期日）上班。')])
+    assert list(
+        get_rules(
+            get_paper(
+                "http://www.gov.cn/zhengce/content/2019-03/22/content_5375877.htm"
+            )
+        )
+    ) == [("劳动节", "2019年5月1日至4日放假调休，共4天。4月28日（星期日）、5月5日（星期日）上班。")]
 
 
 def _normalize(iterable):
-    return sorted(json.loads(json.dumps(list(iterable), cls=CustomJSONEncoder)),
-                  key=lambda x: x['date'])
+    return sorted(
+        json.loads(json.dumps(list(iterable), cls=CustomJSONEncoder)),
+        key=lambda x: x["date"],
+    )
 
 
 def _description_parsing_cases():
-    with open(_file_path('description_parsing_cases.json'), 'r', encoding='utf-8', ) as f:
+    with open(
+        _file_path("description_parsing_cases.json"),
+        "r",
+        encoding="utf-8",
+    ) as f:
         return json.load(f)
 
 
-@pytest.mark.parametrize('case', _description_parsing_cases())
+@pytest.mark.parametrize("case", _description_parsing_cases())
 def test_parse_description(case):
 
-    year, description, expected = case['year'], case['description'], case['expected']
-    assert _normalize(DescriptionParser(
-        description, year).parse()) == _normalize(expected), case
+    year, description, expected = case["year"], case["description"], case["expected"]
+    assert _normalize(DescriptionParser(description, year).parse()) == _normalize(
+        expected
+    ), case