Drop Python 3.6

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9]
 
     steps:
       - name: Checkout source
@@ -28,6 +28,10 @@ jobs:
         shell: bash -l {0}
         run: python -m pip install -e .
 
+      - name: List installed packages
+        shell: bash -l {0}
+        run: conda list
+
       - name: Run tests
         shell: bash -l {0}
         run: python -m pytest --cov=xhistogram --cov-report=xml xhistogram

.github/workflows/upstream.yml

@@ -32,6 +32,10 @@ jobs:
         shell: bash -l {0}
         run: python -m pip install -e .
 
+      - name: List installed packages
+        shell: bash -l {0}
+        run: conda list
+
       - name: Run tests
         shell: bash -l {0}
         run: python -m pytest --cov=xhistogram --cov-report=xml xhistogram

ci/environment-3.7.yml

@@ -1,4 +1,6 @@
 name: xhistogram_test_env
+channels:
+  - conda-forge
 dependencies:
   - python=3.7
   - xarray
@@ -8,7 +10,7 @@ dependencies:
   # see https://github.com/dask/dask/pull/7391
   # and https://github.com/xgcm/xhistogram/issues/27
   - dask!=2021.3.0
-  - numpy=1.17
+  - numpy=1.16
   - pytest
   - pip
   - pip:

ci/environment-3.8.yml

@@ -1,4 +1,6 @@
 name: xhistogram_test_env
+channels:
+  - conda-forge
 dependencies:
   - python=3.8
   - xarray
@@ -8,7 +10,7 @@ dependencies:
   # see https://github.com/dask/dask/pull/7391
   # and https://github.com/xgcm/xhistogram/issues/27
   - dask!=2021.3.0
-  - numpy
+  - numpy=1.18
   - pytest
   - pip
   - pip:

ci/environment-3.9.yml

@@ -1,4 +1,6 @@
 name: xhistogram_test_env
+channels:
+  - conda-forge
 dependencies:
   - python=3.9
   - xarray

doc/environment.yml

@@ -1,6 +1,6 @@
 name: xhistogram_test_env
 dependencies:
-  - python=3.6
+  - python=3.9
   - xarray
   - netcdf4
   - numpy>=1.16

setup.py

@@ -14,12 +14,14 @@
     "Intended Audience :: Science/Research",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
     "Topic :: Scientific/Engineering",
 ]
 
 INSTALL_REQUIRES = ["xarray>=0.12.0", "dask", "numpy>=1.16"]
-PYTHON_REQUIRES = ">=3.6"
+PYTHON_REQUIRES = ">=3.7"
 
 DESCRIPTION = "Fast, flexible, label-aware histograms for numpy and xarray"