code: def close(self):
      any_failed = False
      for task in self.tasks:
          try:
              task()
          except BaseException:
              any_failed = True
              report(traceback.format_exc())
      return any_failed
  
imports: from __future__ import absolute_import, division, print_function
  import math
  import traceback
  from hypothesis import Verbosity, settings
  from hypothesis.errors import CleanupFailed, InvalidArgument, UnsatisfiedAssumption
  from hypothesis.internal.compat import string_types
  from hypothesis.internal.conjecture.data import ConjectureData
  from hypothesis.internal.validation import check_type
  from hypothesis.reporting import report, verbose_report
  from hypothesis.utils.dynamicvariables import DynamicVariable
label_desc: Use image node_id 4 for calling the BuildContext obj's underlying member method code with example usage: obj.close() and returns: any_failed