Adding Black and some reformatting

.github/workflows/test-package.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, '3.10']
+        python-version: [3.8, 3.9, '3.10', 3.11]
 
     steps:
     - uses: actions/checkout@v3
@@ -28,7 +28,7 @@ jobs:
         python -m pip install --upgrade pip
         pip install flake8 pytest pytest-astropy pytest-cov sphinx-astropy codecov
         # install package and requirements
-        pip install .
+        pip install ".[all]"
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names

.pre-commit-config.yaml

@@ -0,0 +1,10 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+# To install:
+# pip install pre-commit
+# pre-commit install --allow-missing-config
+repos:
+- repo: https://github.com/akaihola/darker
+  rev: 1.7.2
+  hooks:
+    - id: darker

astrodbkit2/__init__.py

@@ -6,7 +6,7 @@
 # from ._astropy_init import *   # noqa
 # ----------------------------------------------------------------------------
 
-__all__ = ['__version__']
+__all__ = ["__version__"]
 
 # from .example_mod import *   # noqa
 # Then you can be explicit to control what ends up in the namespace,
@@ -17,15 +17,26 @@
 try:
     from .version import version as __version__
 except ImportError:
-    __version__ = ''
+    __version__ = ""
 
 # Global variables
 
 # These describe the various database tables and their links
-REFERENCE_TABLES = ['Publications', 'Telescopes', 'Instruments', 'Modes', 'Filters', 'PhotometryFilters',
-                    'Citations', 'References', 'Versions', 'Parameters', 'Regimes']
+REFERENCE_TABLES = [
+    "Publications",
+    "Telescopes",
+    "Instruments",
+    "Modes",
+    "Filters",
+    "PhotometryFilters",
+    "Citations",
+    "References",
+    "Versions",
+    "Parameters",
+    "Regimes",
+]
 # REFERENCE_TABLES is a list of tables that do not link to the primary table.
 # These are treated separately from the other data tables that are all assumed to be linked to the primary table.
-PRIMARY_TABLE = 'Sources'  # the primary table used for storing objects
-PRIMARY_TABLE_KEY = 'source'  # the name of the primary key in the primary table; this is used for joining tables
-FOREIGN_KEY = 'source'  # the name of the foreign key in other tables that refer back to the primary
+PRIMARY_TABLE = "Sources"  # the primary table used for storing objects
+PRIMARY_TABLE_KEY = "source"  # the name of the primary key in the primary table; this is used for joining tables
+FOREIGN_KEY = "source"  # the name of the foreign key in other tables that refer back to the primary