import numpy as np

def test_import module():
    try:
        import protostar.py
    except:
        raise AssertionError

def test_sound_speed():
    raise NotImplementedError

def test_Jeans_radius():
    raise NotImplementedError

# and so on

fc6b34c85b02bb0f40ec15bfc04637228ce6a3f6
import numpy as np

def test_import module():
    try:
        import protostar.py
    except:
        raise AssertionError

def test_sound_speed():
    raise NotImplementedError

def test_Jeans_radius():
    raise NotImplementedError

# and so on
