ImportError: dlopen

[kozo2]

This error occured with v4.2.0 wheel file.
https://github.com/ecell/ecell4-wheels/releases/tag/v4.2.0

knishidas-MacBook-Pro:bin knishida$ ./python
Python 3.7.1 (default, Oct 23 2018, 14:07:42) 
[Clang 4.0.1 (tags/RELEASE_401/final)] :: Anaconda, Inc. on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from ecell4 import core
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/__init__.py", line 1, in <module>
    from ecell4.core import *
ImportError: dlopen(/Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/core.cpython-37m-darwin.so, 2): Symbol not found: __ZN5boost11basic_regexIcNS_12regex_traitsIcNS_16cpp_regex_traitsIcEEEEE9do_assignEPKcS7_j
  Referenced from: /Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/core.cpython-37m-darwin.so
  Expected in: flat namespace
 in /Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/core.cpython-37m-darwin.so
>>> 

[kozo2]

still fails

>>> from ecell4 import core
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/__init__.py", line 1, in <module>
    from ecell4.core import *
ImportError: dlopen(/Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/core.cpython-37m-darwin.so, 2): Symbol not found: __ZN5boost11basic_regexIcNS_12regex_traitsIcNS_16cpp_regex_traitsIcEEEEE9do_assignEPKcS7_j
  Referenced from: /Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/core.cpython-37m-darwin.so
  Expected in: flat namespace
 in /Users/knishida/miniconda3/lib/python3.7/site-packages/ecell4/core.cpython-37m-darwin.so
>>>