code: def iterate(self, contextualized_node=None, is_async=False):
      from jedi.evaluate.lazy_context import get_merged_lazy_context
  
      type_iters = [
          c.iterate(contextualized_node, is_async=is_async)
          for c in self._set
      ]
      for lazy_contexts in zip_longest(*type_iters):
          yield get_merged_lazy_context(
              [l for l in lazy_contexts if l is not None]
          )
  
imports: from parso.python.tree import ExprStmt, CompFor
  from jedi import debug
  from jedi._compatibility import Python3Method, zip_longest, unicode
  from jedi.parser_utils import clean_scope_docstring, get_doc_with_call_signature
  from jedi.common import BaseContextSet, BaseContext
  from jedi.evaluate.helpers import EvaluatorIndexError, EvaluatorTypeError, EvaluatorKeyError
label_desc: Use image node_id 2 for calling the ContextSet obj's underlying member method code with example usage: obj.iterate(contextualized_node, is_async) without return types