code: def test_insert_column_bug_4032(self):
      # GH#4032, inserting a column and renaming causing errors
      df = DataFrame({"b": [1.1, 2.2]})
  
      df = df.rename(columns={})
      df.insert(0, "a", [1, 2])
      result = df.rename(columns={})
  
      expected = DataFrame([[1, 1.1], [2, 2.2]], columns=["a", "b"])
      tm.assert_frame_equal(result, expected)
  
      df.insert(0, "c", [1.3, 2.3])
      result = df.rename(columns={})
  
      expected = DataFrame(
          [[1.3, 1, 1.1], [2.3, 2, 2.2]], columns=["c", "a", "b"]
      )
      tm.assert_frame_equal(result, expected)
  
file_path: pandas/pandas/tests/frame/indexing/test_insert.py
imports: import numpy
  import pytest
  from pandas.errors import PerformanceWarning
  from pandas import DataFrame, Index
  import pandas._testing
label_desc: Use image node_id 2 for calling the TestDataFrameInsert obj's underlying member method code with example usage: obj.test_insert_column_bug_4032() without return types