Revert "Remove libblas specification."

This reverts commit c97683f.

Author: twiecki

conda-envs/environment-dev-py37.yml

@@ -10,6 +10,7 @@ dependencies:
 - fastprogress>=0.2.0
 - h5py>=2.7
 - ipython>=7.16
+- libblas=*=*mkl
 - myst-nb
 - numpy=1.15
 - numpydoc>=0.9

conda-envs/environment-dev-py38.yml

@@ -10,6 +10,7 @@ dependencies:
 - fastprogress>=0.2.0
 - h5py>=2.7
 - ipython>=7.16
+- libblas=*=*mkl
 - myst-nb
 - nbsphinx>=0.4
 - numpy>=1.15.0

conda-envs/environment-dev-py39.yml

@@ -10,6 +10,7 @@ dependencies:
 - fastprogress>=0.2.0
 - h5py>=2.7
 - ipython>=7.16
+- libblas=*=*mkl
 - myst-nb
 - nbsphinx>=0.4
 - numpy>=1.15.0

conda-envs/windows-environment-dev-py38.yml

@@ -10,6 +10,7 @@ dependencies:
 - cloudpickle
 - fastprogress>=0.2.0
 - h5py>=2.7
+- libblas=*=*mkl
 - libpython
 - numpy>=1.15.0
 - pandas>=0.24.0