class_docstr: Base class
class_docstr_tok: ["Base","class"]
code: def __add__(self, other):
      if isinstance(other, _Base):
          return Add(self, other)
      else:
          float(other)
          other = Fixed(other)
          return Add(self, other)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import matplotlib.cbook
  from matplotlib.axes import Axes
label_desc: Use image node_id 2 for calling the _Base obj's underlying member method code with example usage: obj.__add__(other) and returns: Add, Add