fix: the rest

src/bdew_datetimes/calendar.py

@@ -2,6 +2,7 @@
 contains the business logic (namely the BDEW calendar information)
 
 """
+
 from datetime import date
 
 from holidays import HolidayBase, HolidaySum

src/bdew_datetimes/german_strom_and_gas_tag.py

@@ -2,6 +2,7 @@
 A module to evaluate datetimes and whether they are "on the edge"
 of a German "Stromtag" or "Gastag" respectively
 """
+
 from datetime import datetime, time
 from enum import Enum
 from typing import Callable

src/bdew_datetimes/periods.py

@@ -3,6 +3,7 @@
 ("gesetzliche Fristen") in the German energy market.
 It is based on the chapter "Fristenberechnung" in the GPKE.
 """
+
 import datetime
 from dataclasses import dataclass
 from datetime import date

tests/test_period.py

@@ -155,7 +155,7 @@ def test_get_previous_working_day(start: date, expected: date):
             Period(
                 6,
                 DayType.WORKING_DAY,
-                end_date_type=EndDateType.INCLUSIVE
+                end_date_type=EndDateType.INCLUSIVE,
                 # the abmeldedatum is the inclusive end of a contract
             ),
             date(2016, 7, 12),
@@ -166,7 +166,7 @@ def test_get_previous_working_day(start: date, expected: date):
             Period(
                 -6,
                 DayType.WORKING_DAY,
-                end_date_type=EndDateType.INCLUSIVE
+                end_date_type=EndDateType.INCLUSIVE,
                 # the abmeldedatum is the inclusive end of a contract
             ),
             date(2016, 7, 4),
@@ -181,7 +181,7 @@ def test_get_previous_working_day(start: date, expected: date):
             Period(
                 7,
                 DayType.WORKING_DAY,
-                end_date_type=EndDateType.EXCLUSIVE
+                end_date_type=EndDateType.EXCLUSIVE,
                 # lieferbeginn is the exclusive end of the previous contract
             ),
             date(2016, 7, 14),
@@ -192,7 +192,7 @@ def test_get_previous_working_day(start: date, expected: date):
             Period(
                 -7,
                 DayType.WORKING_DAY,
-                end_date_type=EndDateType.EXCLUSIVE
+                end_date_type=EndDateType.EXCLUSIVE,
                 # lieferbeginn is the exclusive end of the previous contract
             ),
             date(2016, 7, 4),
@@ -207,7 +207,7 @@ def test_get_previous_working_day(start: date, expected: date):
             Period(
                 10,
                 DayType.WORKING_DAY,
-                end_date_type=EndDateType.EXCLUSIVE
+                end_date_type=EndDateType.EXCLUSIVE,
                 # lieferbeginn is the exclusive end of the previous contract
             ),
             date(2016, 7, 19),
@@ -218,7 +218,7 @@ def test_get_previous_working_day(start: date, expected: date):
             Period(
                 -10,
                 DayType.WORKING_DAY,
-                end_date_type=EndDateType.EXCLUSIVE
+                end_date_type=EndDateType.EXCLUSIVE,
                 # lieferbeginn is the exclusive end of the previous contract
             ),
             date(2016, 7, 4),