class_docstr: A function that depends on another function.
  This is an object to prevent the closure used
  in traditional decorators, which are not picklable.
class_docstr_tok: ["A","function","that","depends","on","another","function",".","This","is","an","object","to","prevent","the","closure","used","in","traditional","decorators",",","which","are","not","picklable","."]
code: def __call__(self, *args, **kwargs):
      return self.f(*args, **kwargs)
  
file_path: ipyparallel/ipyparallel/controller/dependency.py
imports: from types import ModuleType
  from ipyparallel.client.asyncresult import AsyncResult
  from ipyparallel.error import UnmetDependency
  from ipyparallel.serialize import can
  from ipyparallel.util import interactive
label_desc: Use image node_id 3 for calling the dependent obj's underlying member method code with example usage: obj.__call__() and returns: self