code: def test_flake8():
      """
      Check rebased Python code with flake8.
      """
      if not hasattr(fitz, "mupdf"):
          print(f"Not running flake8 with classic implementation.")
          return
      ignores = (
          "E123",  # closing bracket does not match indentation of opening bracket's line
          "E124",  # closing bracket does not match visual indentation
          "E126",  # continuation line over-indented for hanging indent
          "E127",  # continuation line over-indented for visual indent
          "E128",  # continuation line under-indented for visual indent
          "E131",  # continuation line unaligned for hanging indent
          "E201",  # whitespace after '('
          "E203",  # whitespace before ':'
          "E221",  # E221 multiple spaces before operator
          "E225",  # missing whitespace around operator
          "E226",  # missing whitespace around arithmetic operator
          "E231",  # missing whitespace after ','
          "E241",  # multiple spaces after ':'
          "E251",  # unexpected spaces around keyword / parameter equals
          "E252",  # missing whitespace around parameter equals
          "E261",  # at least two spaces before inline comment
          "E265",  # block comment should start with '# '
          "E271",  # multiple spaces after keyword
          "E272",  # multiple spaces before keyword
          "E302",  # expected 2 blank lines, found 1
          "E305",  # expected 2 blank lines after class or function definition, found 1
          "E306",  # expected 1 blank line before a nested definition, found 0
          "E402",  # module level import not at top of file
          "E501",  # line too long (80 > 79 characters)
          "E701",  # multiple statements on one line (colon)
          "E741",  # ambiguous variable name 'l'
          "F541",  # f-string is missing placeholders
          "W293",  # blank line contains whitespace
          "W503",  # line break before binary operator
          "W504",  # line break after binary operator
      )
      ignores = ",".join(ignores)
      root = os.path.abspath(f"{__file__}/../..")
  
      def run(command):
          print(f"test_flake8(): Running: {command}")
          subprocess.run(command, shell=1, check=1)
  
      run(
          f"flake8 --ignore={ignores} --statistics {root}/src/__init__.py {root}/src/utils.py {root}/src/table.py"
      )
      print(f"test_flake8(): flake8 succeeded.")
  
imports: import fitz
  import os
  import subprocess
  import sys
label_desc: Use image node_id 1 for calling a global function with example usage: test_flake8() without return types