class_docstr: Base class for all models.
class_docstr_tok: ["Base","class","for","all","models","."]
docstr: Iterate through fields and values.
docstr_tok: ["Iterate","through","fields","and","values","."]
code: def __iter__(self):
      """Iterate through fields and values."""
      for name, field in self.iterate_over_fields():
          yield name, field
  
imports: import six
  from .None import parsers, errors
  from .fields import BaseField
  from .errors import ValidationError
label_desc: Use image node_id 4 for calling the Base obj's underlying member method code with example usage: obj.__iter__() without return types