new_contents: import pytest  # type: ignore
  from hypothesis import given
  from utils import floats, vectors, vector_likes
  
  from ppb_vector import Vector2
  
  
  class V(Vector2): pass
  
  
  @pytest.mark.parametrize('cls', [Vector2, V])
  @given(x=vectors())
  def test_ctor_vector_like(cls, x: Vector2):
      for x_like in vector_likes(x):
          vector = cls(x_like)
          assert vector == x == x_like
          assert isinstance(vector, cls)
  
  
  @pytest.mark.parametrize('cls', [Vector2, V])
  @given(x=floats(), y=floats())
  def test_ctor_coordinates(cls, x: float, y: float):
      assert cls(x, y) == cls((x, y))
  
subject: Add tests for the constructor