Drop support for Python 3.8

.github/workflows/test.yml

@@ -44,15 +44,15 @@ jobs:
  - optional
  include:
  - dependencies: oldest
- python: "3.8"
+ python: "3.9"
  - dependencies: latest
  python: "3.11"
  - dependencies: optional
  python: "3.11"
- # test on macos-13 (x86) using oldest dependencies and python 3.8
+ # test on macos-13 (x86) using oldest dependencies and python 3.9
  - os: macos-13
  dependencies: oldest
- python: "3.8"
+ python: "3.9"
  exclude:
  # don't test on macos-latest (arm64) with oldest dependencies
  - os: macos-latest

doc/compatibility.rst

@@ -64,3 +64,5 @@ following releases to ensure compatibility:
  - 0.4.0
  * - 3.7
  - 0.6.0
+ * - 3.8
+ - 0.6.0

doc/install.rst

@@ -42,7 +42,7 @@ There are different ways to install Harmonica:
 Which Python?
 -------------
 
-You'll need **Python 3.8 or greater**.
+You'll need **Python 3.9 or greater**.
 See :ref:`python-versions` if you require support for older versions.
 
 Dependencies

pyproject.toml

@@ -22,18 +22,17 @@ classifiers = [
  "Topic :: Scientific/Engineering",
  "Topic :: Software Development :: Libraries",
  "Programming Language :: Python :: 3 :: Only",
- "Programming Language :: Python :: 3.8",
  "Programming Language :: Python :: 3.9",
  "Programming Language :: Python :: 3.10",
  "Programming Language :: Python :: 3.11",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
  "numpy >= 1.21",
- "pandas >= 1.1",
- "scipy >= 1.5",
+ "pandas >= 1.4",
+ "scipy >= 1.9",
  "scikit-learn >= 0.24",
- "numba >= 0.52",
+ "numba >= 0.53",
  "xarray >= 0.16",
  "verde >= 1.7",
  "xrft >= 1.0",