uuid_constructor_example.py

import uuid

class Foo():
  def __init__(self, id=uuid.uuid4()):
    self.id = id

class Bar():
  def __init__(self, id=uuid.uuid4()):
    self.id = id

class Works():
  def __init__(self, id=None):
    self.id = id if id is not None else uuid.uuid4()

if __name__ == "__main__":
  foo_one = Foo()
  foo_two = Foo()

  bar_one = Bar()
  bar_two = Bar()

  works_one = Works()
  works_two = Works()
  
  # Makes a new Id for the first, but not the second
  print("Foo 1", foo_one.id)
  print("Foo 2", foo_two.id)

  # Makes a new Id for the first, thats different from Foo's id, but not the second
  print("Bar 1", bar_one.id)
  print("Bar 2", bar_two.id)

  # both works_one and works_two are different ids
  print("Works 1", works_one.id)
  print("Works 2", works_two.id)

Wow, that's pretty messed up. Have you reported this?