class_docstr: For the word (ie, node) of a dependency tree and its attributes. Inherits
  from the ``Element`` class of Python's ``xml.etree`` library.
  
  >>> desc_form = Form('described')
  >>> desc_form
  described_0
  >>> desc_form.set('Tense', 'Past')
  >>> desc_form
  described_0
  >>> desc_form / 'VBN'
  described_0/VBN
  >>> desc_form.full_str()
  'described_0 [Tense=Past,pos=VBN]'
docstr: Extract dependents of this form for the specified
  dependency relation.
  
  >>> john = Form('John', 1) / 'NNP'
  >>> loves = Form('loves', 2) / 'VRB'
  >>> mary = Form('Mary', 3) / 'NNP'
  >>> loves >> john | 'subj'
  subj(loves_2/VRB, John_1/NNP)
  >>> loves >> mary | 'obj'
  obj(loves_2/VRB, Mary_3/NNP)
  >>> loves.get_dependencies('subj')
  [subj(loves_2/VRB, John_1/NNP)]
  >>> loves.get_dependencies('obj')
  [obj(loves_2/VRB, Mary_3/NNP)]
docstr_tok: ["Extract","dependents","of","this","form","for","the","specified","dependency","relation",".",">",">",">","john","=","Form","(","'John","'",",","1",")","\/","'NNP'",">",">",">","loves","=","Form","(","'loves","'",",","2",")","\/","'VRB'",">",">",">","mary","=","Form","(","'Mary","'",",","3",")","\/","'NNP'",">",">",">","loves",">",">","john","|","'subj'","subj","(","loves_2\/VRB",",","John_1\/NNP",")",">",">",">","loves",">",">","mary","|","'obj'","obj","(","loves_2\/VRB",",","Mary_3\/NNP",")",">",">",">","loves.get_dependencies","(","'subj","'",")","[","subj","(","loves_2\/VRB",",","John_1\/NNP",")","]",">",">",">","loves.get_dependencies","(","'obj","'",")","[","obj","(","loves_2\/VRB",",","Mary_3\/NNP",")","]"]
code: def get_dependencies(self, relation: str) -> List["Dependency"]:
      """Extract dependents of this form for the specified
      dependency relation.
  
      >>> john = Form('John', 1) / 'NNP'
      >>> loves = Form('loves', 2) / 'VRB'
      >>> mary = Form('Mary', 3) / 'NNP'
      >>> loves >> john | 'subj'
      subj(loves_2/VRB, John_1/NNP)
      >>> loves >> mary | 'obj'
      obj(loves_2/VRB, Mary_3/NNP)
      >>> loves.get_dependencies('subj')
      [subj(loves_2/VRB, John_1/NNP)]
      >>> loves.get_dependencies('obj')
      [obj(loves_2/VRB, Mary_3/NNP)]
      """
      deps = self.findall('*[@relation="{}"]'.format(relation))
      return [Dependency(self, dep, relation) for dep in deps]
  
imports: from typing import Dict, List, Union
  from xml.etree.ElementTree import Element, ElementTree
  from cltk.core.data_types import Doc, Process, Word
  from cltk.core.exceptions import CLTKException
  from cltk.morphology.universal_dependencies_features import NOMINAL_FEATURES, OTHER_FEATURES, VERBAL_FEATURES, MorphosyntacticFeature
label_desc: Use image node_id 4 for calling the Form obj's underlying member method code with example usage: obj.get_dependencies(relation) and returns: unknown