upgrade python requires >= 3.8

import importlib.metadata doesn't work with the importlib_metadata
backport.

.github/workflows/build.yaml

@@ -12,12 +12,12 @@ jobs:
  - windows-latest
  - macOS-latest
  python-version:
- - "3.7"
+ - "3.8"
  - "3.10"
  steps:
  - uses: actions/checkout@v2
  - name: Set up Python
- uses: actions/setup-python@v2
+ uses: actions/setup-python@v3
  with:
  python-version: ${{ matrix.python-version }}
  - name: Setup Graphviz
@@ -32,6 +32,6 @@ jobs:
  if: matrix.os != 'windows-latest'
  run: pip install ".[viz]"
  - name: Run pre-commit
- uses: pre-commit/action@v2.0.0
+ uses: pre-commit/action@v2.0.3
  - name: Test with pytest
  run: pytest --color=yes

.pre-commit-config.yaml

@@ -10,24 +10,24 @@ repos:
  - id: check-case-conflict
  - id: check-yaml
  - repo: https://github.com/asottile/pyupgrade
- rev: v2.31.0
+ rev: v2.31.1
  hooks:
  - id: pyupgrade
- args: [--py37-plus]
+ args: [--py38-plus]
  - repo: https://github.com/timothycrosley/isort
  rev: 5.10.1
  hooks:
  - id: isort
  - repo: https://github.com/python/black
- rev: 22.1.0
+ rev: 22.3.0
  hooks:
  - id: black
  - repo: https://gitlab.com/pycqa/flake8
  rev: 3.9.2
  hooks:
  - id: flake8
  - repo: https://github.com/pre-commit/mirrors-mypy
- rev: v0.931
+ rev: v0.942
  hooks:
  - id: mypy
  args: ["--strict", "--show-error-codes"]

pyproject.toml

@@ -15,7 +15,7 @@ use_parentheses = true
 line_length = 88
 
 [tool.black]
-target-version = ['py37', 'py38', 'py39', 'py310']
+target-version = ['py38', 'py39', 'py310']
 
 # https://mypy.readthedocs.io/en/stable/config_file.html#using-a-pyproject-toml-file
 [tool.mypy]
@@ -36,7 +36,6 @@ module = [
  "setuptools.*",
  "pandas.*",
  "pytest.*",
- "_pytest.*",
  "pygraphviz.*",
 ]
 ignore_missing_imports = true

setup.cfg

@@ -27,10 +27,9 @@ keywords =
 packages = nxontology
 zip_safe = False
 include_package_data = True
-python_requires = >=3.7
+python_requires = >=3.8
 install_requires =
  fsspec[http]
- importlib_metadata; python_version < '3.8'
  networkx>=2
  pronto>=2.4.0