condaのlinuxバージョンのnumpyかmklあたりのどれかが壊れている
conda update --allしたら何かが壊れた。
conda-forgeのnumpy（とscipy）をインストールして現状回復できた。具体的にどれが原因か不明。
% conda install -c conda-forge numpy scipy
Solving environment: done
==> WARNING: A newer version of conda exists. <==
current version: 4.5.1
latest version: 4.6.8
Please update conda by running
$ conda update -n base conda
## Package Plan ##
environment location: /home/togo/.miniconda3/envs/dev
added / updated specs:
- numpy
- scipy
The following packages will be downloaded:
package | build
---------------------------|-----------------
liblapack-3.8.0 |4_h6e990d7_netlib 2.8 MB conda-forge
mkl-2018.0.3 | 1 198.7 MB
libcblas-3.8.0 |4_h6e990d7_netlib 47 KB conda-forge
mkl_random-1.0.1 | py37h4414c95_1 372 KB
numpy-base-1.15.0 | py37h1793315_0 4.1 MB
numpy-1.16.2 | py37h8b7e671_1 4.3 MB conda-forge
scipy-1.2.1 | py37h09a28d5_1 18.1 MB conda-forge
openssl-1.1.1b | h14c3975_1 4.0 MB conda-forge
ca-certificates-2019.3.9 | hecc5488_0 146 KB conda-forge
mkl_fft-1.0.6 | py37h7dd41cf_0 150 KB
certifi-2019.3.9 | py37_0 149 KB conda-forge
libblas-3.8.0 |4_h6e990d7_netlib 181 KB conda-forge
------------------------------------------------------------
Total: 233.0 MB
The following NEW packages will be INSTALLED:
libblas: 3.8.0-4_h6e990d7_netlib conda-forge
libcblas: 3.8.0-4_h6e990d7_netlib conda-forge
liblapack: 3.8.0-4_h6e990d7_netlib conda-forge
The following packages will be UPDATED:
ca-certificates: 2019.1.23-0 --> 2019.3.9-hecc5488_0 conda-forge
certifi: 2019.3.9-py37_0 --> 2019.3.9-py37_0 conda-forge
numpy: 1.16.2-py37h7e9f1db_0 --> 1.16.2-py37h8b7e671_1 conda-forge
openssl: 1.1.1b-h7b6447c_1 --> 1.1.1b-h14c3975_1 conda-forge
scipy: 1.2.1-py37h7c811a0_0 --> 1.2.1-py37h09a28d5_1 conda-forge
The following packages will be DOWNGRADED:
mkl: 2019.3-199 --> 2018.0.3-1
mkl_fft: 1.0.10-py37ha843d7b_0 --> 1.0.6-py37h7dd41cf_0
mkl_random: 1.0.2-py37hd81dba3_0 --> 1.0.1-py37h4414c95_1
numpy-base: 1.16.2-py37hde5b4d6_0 --> 1.15.0-py37h1793315_0
