cannot import name 'core_heclib' from 'pydsstools._lib.x64'

[dhah229]

I am hitting an import error

>>> from pydsstools.heclib.dss import HecDss
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\dhah\Documents\pydsstools\pydsstools\heclib\dss\HecDss.py", line 15, in <module>
    from ...core import Open as _Open
  File "C:\Users\dhah\Documents\pydsstools\pydsstools\core\__init__.py", line 28, in <module>
    from .._lib import *
  File "C:\Users\dhah\Documents\pydsstools\pydsstools\_lib\__init__.py", line 1, in <module>
    from .x64 import core_heclib
ImportError: cannot import name 'core_heclib' from 'pydsstools._lib.x64' (C:\Users\dhah\Documents\pydsstools\pydsstools\_lib\x64\__init__.py)

Using Python 3.7 pydsstools installed using .whl file. Thank you