update requirements (#19)

* update requirements

* update changelog

* remove 3.7 action

* fix changelog

Author: OriolAbril

docs/source/changelog.md

@@ -4,6 +4,10 @@
 ### New features
 * Add `DaskBackend` to support using einops functions on Dask backed DataArrays {pull}`14`
 
+### Maintenance and fixes
+* Update requirements following [NEP 29](https://numpy.org/neps/nep-0029-deprecation_policy.html)
+  and [SPEC 0](https://scientific-python.org/specs/spec-0000/) {pull}`19`
+
 ### Documentation
 * Add Dask support guide {pull}`14`
 * Add references to xhistogram and xrft in docs {pull}`20`

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "flit_core.buildapi"
 [project]
 name = "xarray-einstats"
 readme = "README.md"
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 license = {file = "LICENSE"}
 authors = [
     {name = "ArviZ team", email = "arviz.devs@gmail.com"}
@@ -19,16 +19,15 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
 ]
 dynamic = ["version", "description"]
 dependencies = [
-  "numpy>=1.21",
-  "scipy",
-  "xarray>=0.20",
+  "numpy>=1.19",
+  "scipy>=1.5",
+  "xarray>=0.16",
 ]
 
 [tool.flit.module]

tox.ini

@@ -2,7 +2,6 @@
 envlist =
     check
     docs
-    py37
     py38
     py39
     py310
@@ -12,8 +11,6 @@ isolated_build_env = build
 
 [gh-actions]
 python =
-    3.6: py36
-    3.7: py37
     3.8: py38
     3.9: py39, check, reformat
     3.10: py310
@@ -29,7 +26,6 @@ exclude_lines =
 
 [testenv]
 basepython =
-    py37: python3.7
     py38: python3.8
     py39: python3.9
     py310: python3.10