class_docstr: Base class for Proposal Distribution.
class_docstr_tok: ["Base","class","for","Proposal","Distribution","."]
code: def __init__(self, s):
      self.s = s
  
imports: from __future__ import division
  import scipy.linalg
  import numpy
  import numpy.random
label_desc: Use image node_id 1 to create a new Proposal object from inherited base classes: object with example: obj = Proposal(s)