code: def test_partial_set_empty_frame_empty_copy_assignment(self):
      # GH#5932
      # copy on empty with assignment fails
      df = DataFrame(index=[0])
      df = df.copy()
      df["a"] = 0
      expected = DataFrame(
          0, index=[0], columns=Index(["a"], dtype=object)
      )
      tm.assert_frame_equal(df, expected)
  
imports: import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, Period, Series, Timestamp, date_range, period_range
  import pandas._testing
label_desc: Use image node_id 13 for calling the TestEmptyFrameSetitemExpansion obj's underlying member method code with example usage: obj.test_partial_set_empty_frame_empty_copy_assignment() without return types