docstr: Return iterator
  
  Returns
  -------
  itor : iterator
      ``self``
docstr_tok: ["Return","iterator","Returns","--","--","--","-","itor",":","iterator","``","self","``"]
code: def __iter__(self):
      """Return iterator
  
      Returns
      -------
      itor : iterator
          ``self``
      """
      return self
  
file_path: nipy/nipy/algorithms/fwhm.py
imports: import numpy
  from numpy.linalg import det
  from nipy.core.api import Image
  from .utils.matrices import pos_recipr
label_desc: Use image node_id 2 for calling the ReselImage obj's underlying member method code with example usage: obj.__iter__() and returns: self