AttributeError: module 'numpy' has no attribute '__version__'
#### Problem description

Did a 

conda update -n root conda
conda update --all

Now getting this:

Traceback (most recent call last):
    import pandas as pd
  File "c:\ProgramData\Anaconda3\lib\site-packages\pandas\__init__.py", line 23, in <module>
    from pandas.compat.numpy import *
  File "c:\ProgramData\Anaconda3\lib\site-packages\pandas\compat\numpy\__init__.py", line 10, in <module>
    _np_version = np.__version__
AttributeError: module 'numpy' has no attribute '__version__'

INSTALLED VERSIONS

commit: None
python: 3.6.5.final.0
python-bits: 64
OS: Windows
OS-release: 10
machine: AMD64
processor: Intel64 Family 6 Model 94 Stepping 3, GenuineIntel
byteorder: little
LC_ALL: None
LANG: None
LOCALE: None.None

xarray: 0.10.7
pandas: 0.23.1
numpy: 1.14.5
scipy: 1.1.0
netCDF4: 1.4.0
h5netcdf: 0.6.1
h5py: 2.8.0
Nio: None
zarr: None
bottleneck: 1.2.1
cyordereddict: None
dask: 0.18.1
distributed: 1.22.0
matplotlib: 2.2.2
cartopy: None
seaborn: 0.8.1
setuptools: 39.2.0
pip: 9.0.3
conda: 4.5.8
pytest: 3.6.2
IPython: 6.4.0
sphinx: 1.7.5