for geist

test.py

class SuperA:
  def a_method(self):
    print("I'm from a")
    
class SuperB:
  def __init__(self):
    self.statment = "crap"
    
  def b_method(self):
    print("I'm from b")
  
  @classmethod
  def deseralize(cls, s):
    b_obj = cls()
    b_obj.statement = s
    return b_obj
    

class MyClass(SuperB, SuperA):
  @classmethod
  def from_b(cls):
    new_statment = "fuck"
    my_class_obj = cls()
    b_obj = super().deseralize(new_statement)
    for key, value in b_obj.__dict__.items():
      my_class_obj.__dict__[key] = value
    return my_class_obj