class_docstr: Test runner that synchronizes the IPython namespace with test globals.
      
code: def run(self, test, compileflags=None, out=None, clear_globs=True):
      # Override terminal size to standardise traceback format
      with modified_env({"COLUMNS": "80", "LINES": "24"}):
          return super(IPDocTestRunner, self).run(
              test, compileflags, out, clear_globs
          )
  
imports: import doctest
  import logging
  import re
  from testpath import modified_env
label_desc: Use image node_id 1 for calling the IPDocTestRunner obj's underlying member method code with example usage: obj.run(test, compileflags, out, clear_globs) and returns: super