code: def test_week_add_invalid(self):
      # Week with weekday should raise TypeError and _not_ AttributeError
      #  when adding invalid offset
      offset = Week(weekday=1)
      other = Day()
      with pytest.raises(TypeError, match="Cannot add"):
          offset + other
  
imports: from __future__ import annotations
  from datetime import datetime, timedelta
  import pytest
  from pandas._libs.tslibs import Timestamp
  from pandas._libs.tslibs.offsets import Day, LastWeekOfMonth, Week, WeekOfMonth
  import pandas._testing
  from pandas.tests.tseries.offsets.common import WeekDay, assert_is_on_offset, assert_offset_equal
label_desc: Use image node_id 7 for calling the TestWeek obj's underlying member method code with example usage: obj.test_week_add_invalid() without return types