59858ffc 2nd try to enable mkl

environment.yml

-# Packages required to build a Docker image for Binder
 name: pyhpc
 channels:
+  - defaults
   - conda-forge
 dependencies:
-  - python
+  - python=3.7
   - pip
-  - libblas=*=*mkl
+  #- libblas=*=*mkl
+  - mkl
   - numpy
   - scipy
   - cython
   - pybind11
-  - numba
   - matplotlib
+  - pandas
   - line_profiler
   - gcc_linux-64
   - gxx_linux-64
   - gfortran_linux-64
+  - numba
   - mpich
   - mpi4py
   - hdf5=*=mpi*
   - h5py=*=mpi*
-  - pandas