Drop EOL Python/Pandas versions from the build matrix.

matthewwardrop · matthewwardrop · commit d8607089dd46 · 2021-09-25T20:51:32.000-07:00
diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
@@ -12,40 +12,24 @@ jobs:
       max-parallel: 4
       matrix:
         include:
-          - python-version: 2.7
-          - python-version: 3.4
-          - python-version: 3.5
           - python-version: 3.6
           - python-version: 3.7
-          # 0.14.0 is the last version with the old categorical system
-          # libfortran=1.0 is needed to work around a bug in anaconda
-          # (https://github.com/pydata/patsy/pull/83#issuecomment-206895923)
-          - python-version: 2.7
-            pandas-version-string: "=0.14.0 libgfortran=1.0"
-          - python-version: 3.4
-            pandas-version-string: "=0.14.0 libgfortran=1.0"
-          # 0.18.0 has is_categorical_dtype in a different place than 0.19.0+
-          - env:
-            - python-version: 3.4
-            - pandas-version-string: "=0.18.0"
-          - env:
-            - python-version: 2.7
-            - pandas-version-string: "=0.18.0"
+          - python-version: 3.8
           # make sure it works without pandas
-          - env:
-            - python-version: 2.7
-            - pandas-version-string: "NONE"
-          - env:
-            - python-version: 3.6
-            - pandas-version-string: "NONE"
-          - env:
-            - python-version: 3.7
-            - pandas-version-string: "NONE"
+          - python-version: 3.6
+            pandas-version-string: "NONE"
+          - python-version: 3.7
+            pandas-version-string: "NONE"
+          - python-version: 3.8
+            pandas-version-string: "NONE"
     env:
       PYTHON_VERSION: ${{ matrix.python-version }}
       PANDAS_VERSION_STR: ${{ matrix.pandas-version-string }}
-      # Work around terrible pathological behaviour in OpenBLAS multithreading, that causes execution time to blow up from 3 minutes to 18 minutes, apparently in SVD on smallish matrices
+      # Work around terrible pathological behaviour in OpenBLAS/MKL/VML multithreading, that causes
+      # execution time to blow up from 3 minutes to 18 minutes, apparently in SVD on smallish matrices
       OMP_NUM_THREADS: 1
+      MKL_NUM_THREADS: 1
+      VML_NUM_THREADS: 1
     steps:
     - uses: actions/checkout@v1
     - name: Set up Miniconda environment for Python ${{ matrix.python-version }}
