code: def __exit__(self, *args):
      self.gen.context_names = self._old_context_names
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ...asttools import Visitor, visit_children
  import _ast
  from ...asttools.visitors.symbol_visitor import get_symbols
label_desc: Use image node_id 3 for calling the GlobalDeps obj's underlying member method code with example usage: obj.__exit__() without return types