Fixing conf/conda build and azure-pipelines. Dropping py27 test on azure.

Author: mikaem

azure-pipelines.yml

@@ -5,14 +5,14 @@ jobs:
     vmImage: 'macOS-10.14'
   strategy:
     matrix:
-      Python27:
-        python.version: '2.7'
       Python36:
         python.version: '3.6'
       Python37:
         python.version: '3.7'
       Python38:
         python.version: '3.8'
+      Python39:
+        python.version: '3.9'
 
   steps:
   - bash: echo "##vso[task.prependpath]$CONDA/bin"
@@ -23,9 +23,8 @@ jobs:
 
   - bash: |
       conda config --add channels conda-forge
-      conda config --add channels spectralDNS
       conda config --set always_yes yes
-      conda install -n root conda-build=3.17
+      conda install -n root conda-build
     displayName: Set up Anaconda
 
   - bash: |
@@ -38,22 +37,23 @@ jobs:
     vmImage: 'ubuntu-16.04'
   strategy:
     matrix:
-      Python27:
-        python.version: '2.7'
       Python36:
         python.version: '3.6'
       Python37:
         python.version: '3.7'
+      Python38:
+        python.version: '3.8'
+      Python39:
+        python.version: '3.9'
 
   steps:
   - bash: echo "##vso[task.prependpath]$CONDA/bin"
     displayName: Add conda to PATH
 
   - bash: |
       conda config --add channels conda-forge
-      conda config --add channels spectralDNS
       conda config --set always_yes yes
-      conda install -n root conda-build=3.17
+      conda install -n root conda-build
     displayName: Set up Anaconda
 
   - bash: |

bitbucket-pipelines.yml

@@ -6,6 +6,5 @@ pipelines:
         script:
           - conda config --set always_yes yes
           - conda config --add channels conda-forge
-          - conda config --add channels spectralDNS
-          - conda install -n root conda-build=3.17
+          - conda install -n root conda-build
           - conda build conf/

conf/meta.yaml

@@ -26,9 +26,9 @@ requirements:
     - mpich
     - {{ pin_compatible('numpy') }}
     - fftw
-    - hdf5 * mpi_*
-    - h5py * mpi_*
-    - netcdf4-parallel
+    - hdf5 * mpi_*  # [py>36]
+    - h5py * mpi_*  # [py>36]
+    - netcdf4 * mpi_*
 
 test:
   requires: