Bump numpy to 1.15, pandas to 0.25, scipy to 1.2

ci/requirements/py36-bare-minimum.yml

@@ -7,5 +7,5 @@ dependencies:
   - pytest
   - pytest-cov
   - pytest-env
-  - numpy=1.14
-  - pandas=0.24
+  - numpy=1.15
+  - pandas=0.25

ci/requirements/py36-min-all-deps.yml

@@ -29,8 +29,8 @@ dependencies:
   - nc-time-axis=1.2
   - netcdf4=1.4
   - numba=0.44
-  - numpy=1.14
-  - pandas=0.24
+  - numpy=1.15
+  - pandas=0.25
   # - pint  # See py36-min-nep18.yml
   - pip
   - pseudonetcdf=3.0
@@ -40,7 +40,7 @@ dependencies:
   - pytest-cov
   - pytest-env
   - rasterio=1.0
-  - scipy=1.0  # Policy allows for 1.2, but scipy>=1.1 breaks numpy=1.14
+  - scipy=1.2  # Policy allows for 1.3
   - seaborn=0.9
   # - sparse  # See py36-min-nep18.yml
   - toolz=0.10

ci/requirements/py36-min-nep18.yml

@@ -9,7 +9,7 @@ dependencies:
   - dask=2.4
   - distributed=2.4
   - numpy=1.17
-  - pandas=0.24
+  - pandas=0.25
   - pint=0.9  # Actually not enough as it doesn't implement __array_function__yet!
   - pytest
   - pytest-cov

doc/installing.rst

@@ -7,8 +7,8 @@ Required dependencies
 ---------------------
 
 - Python (3.6 or later)
-- `numpy <http://www.numpy.org/>`__ (1.14 or later)
-- `pandas <http://pandas.pydata.org/>`__ (0.24 or later)
+- `numpy <http://www.numpy.org/>`__ (1.15 or later)
+- `pandas <http://pandas.pydata.org/>`__ (0.25 or later)
 
 Optional dependencies
 ---------------------

doc/whats-new.rst

@@ -21,6 +21,15 @@ v0.15.0 (unreleased)
 
 Breaking changes
 ~~~~~~~~~~~~~~~~
+- Bumped minimum tested versions for dependencies:
+  - numpy 1.15
+  - pandas 0.25
+  - scipy 1.3
+  - bottleneck 1.3
+  - h5py 2.10
+  - rasterio 1.1
+  - pseudonetcdf
+
 - Remove ``compat`` and ``encoding`` kwargs from ``DataArray``, which
   have been deprecated since 0.12. (:pull:`3650`). 
   Instead, specify the encoding when writing to disk or set 

setup.py

@@ -22,7 +22,7 @@
 ]
 
 PYTHON_REQUIRES = ">=3.6"
-INSTALL_REQUIRES = ["numpy >= 1.14", "pandas >= 0.24"]
+INSTALL_REQUIRES = ["numpy >= 1.15", "pandas >= 0.25"]
 needs_pytest = {"pytest", "test", "ptr"}.intersection(sys.argv)
 SETUP_REQUIRES = ["pytest-runner >= 4.2"] if needs_pytest else []
 TESTS_REQUIRE = ["pytest >= 2.7.1"]