code: def is_lazy(self, k):
          '''
          lmap.is_lazy(k) yields True if the given k is lazy and unmemoized in the given lazy map,
          lmap, otherwise False.
          '''
          v = ps.PMap.__getitem__(self, k)
          if not isinstance(v, (types.FunctionType, partial)) or \
             id(v) in self._memoized or \
             [] != getargspec_py27like(v)[0]:
              return False
          else:
              return Truf is_lazy(self, k):
          '''
          lmap.is_lazy(k) yields True if the given k is lazy and unmemoized in the given lazy map,
          lmap, otherwise False.
          '''
          v = ps.PMap.__getitem__(self, k)
          if not isinstance(v, (types.FunctionType, partial)) or \
             id(v) in self._memoized or \
             [] != getargspec_py27like(v)[0]:
              return False
          else:
              return True
docs: lmap.is_lazy(k) yields True if the given k is lazy and unmemoized in the given lazy map,
          lmap, otherwise False.