Add min numpy >= 1.20 requirement

Author: dcherian

ci/docs.yml

@@ -5,6 +5,7 @@ dependencies:
   - dask-core
   - pip
   - xarray
+  - numpy>=1.20
   - numpydoc
   - numpy_groupies
   - toolz

ci/environment.yml

@@ -7,6 +7,7 @@ dependencies:
   - dask-core
   - netcdf4
   - pandas
+  - numpy>=1.20
   - pip
   - pytest
   - pytest-cov

ci/minimal-requirements.yml

@@ -8,7 +8,8 @@ dependencies:
   - pytest
   - pytest-cov
   - pytest-xdist
-  - numpy_groupies>=0.9.15
+  - numpy==1.20
+  - numpy_groupies==0.9.15
   - pandas
   - pooch
   - toolz

ci/no-dask.yml

@@ -5,6 +5,7 @@ dependencies:
   - codecov
   - netcdf4
   - pandas
+  - numpy>=1.20
   - pip
   - pytest
   - pytest-cov

ci/no-xarray.yml

@@ -5,6 +5,7 @@ dependencies:
   - codecov
   - netcdf4
   - pandas
+  - numpy>=1.20
   - pip
   - pytest
   - pytest-cov

setup.cfg

@@ -27,6 +27,7 @@ include_package_data = True
 python_requires = >=3.8
 install_requires =
     pandas
+    numpy >= '1.20'
     numpy_groupies >= '0.9.15'
     toolz