def _to_array ( value ) : if isinstance ( value , ( tuple , list ) ) : return array ( value ) elif isinstance ( value , ( float , int ) ) : return np . float64 ( value ) else : return value
create numpy array from list python
As a convenience turn Python lists and tuples into NumPy arrays .
def _to_array(value):
    """As a convenience, turn Python lists and tuples into NumPy arrays."""
    if isinstance(value, (tuple, list)):
        return array(value)
    elif isinstance(value, (float, int)):
        return np.float64(value)
    else:
        return value