Symbol not found: __Py_set_inheritable_async_safe

[robmarkcole]

Mac OSX High Sierra 10.13.6
conda install -c glueviz glue-geospatial
When running glue ndvi_256x256_rgb8_striped.tif I get the following:

Robins-Air:Pictures robincole$ glue ndvi_256x256_rgb8_striped.tif
Traceback (most recent call last):
  File "/anaconda3/lib/python3.6/site-packages/glue/main.py", line 13, in <module>
    from glue.utils.qt.decorators import die_on_error
  File "/anaconda3/lib/python3.6/site-packages/glue/utils/__init__.py", line 11, in <module>
    from .array import *  # noqa
  File "/anaconda3/lib/python3.6/site-packages/glue/utils/array.py", line 6, in <module>
    import pandas as pd
  File "/anaconda3/lib/python3.6/site-packages/pandas/__init__.py", line 23, in <module>
    from pandas.compat.numpy import *
  File "/anaconda3/lib/python3.6/site-packages/pandas/compat/__init__.py", line 35, in <module>
    import platform
  File "/anaconda3/lib/python3.6/platform.py", line 116, in <module>
    import sys, os, re, subprocess
  File "/anaconda3/lib/python3.6/subprocess.py", line 136, in <module>
    import _posixsubprocess
ImportError: dlopen(/anaconda3/lib/python3.6/lib-dynload/_posixsubprocess.cpython-36m-darwin.so, 2): Symbol not found: __Py_set_inheritable_async_safe
  Referenced from: /anaconda3/lib/python3.6/lib-dynload/_posixsubprocess.cpython-36m-darwin.so
  Expected in: flat namespace
 in /anaconda3/lib/python3.6/lib-dynload/_posixsubprocess.cpython-36m-darwin.so

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/anaconda3/bin/glue", line 7, in <module>
    from glue.main import main
  File "/anaconda3/lib/python3.6/site-packages/glue/__init__.py", line 131, in <module>
    from .main import load_plugins  # noqa
  File "/anaconda3/lib/python3.6/site-packages/glue/main.py", line 15, in <module>
    from glue.utils.decorators import die_on_error
  File "/anaconda3/lib/python3.6/site-packages/glue/utils/__init__.py", line 11, in <module>
    from .array import *  # noqa
  File "/anaconda3/lib/python3.6/site-packages/glue/utils/array.py", line 6, in <module>
    import pandas as pd
  File "/anaconda3/lib/python3.6/site-packages/pandas/__init__.py", line 23, in <module>
    from pandas.compat.numpy import *
  File "/anaconda3/lib/python3.6/site-packages/pandas/compat/__init__.py", line 35, in <module>
    import platform
  File "/anaconda3/lib/python3.6/platform.py", line 116, in <module>
    import sys, os, re, subprocess
  File "/anaconda3/lib/python3.6/subprocess.py", line 136, in <module>
    import _posixsubprocess
ImportError: dlopen(/anaconda3/lib/python3.6/lib-dynload/_posixsubprocess.cpython-36m-darwin.so, 2): Symbol not found: __Py_set_inheritable_async_safe
  Referenced from: /anaconda3/lib/python3.6/lib-dynload/_posixsubprocess.cpython-36m-darwin.so
  Expected in: flat namespace
 in /anaconda3/lib/python3.6/lib-dynload/_posixsubprocess.cpython-36m-darwin.so