Reformatted and added test runners

.github/workflows/python-stylecheck.yml

@@ -0,0 +1,33 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Stylecheck
+
+on:
+  push:
+    branches:
+      - main
+      - '[0-9]+.[0-9]+'
+      - '[0-9]+.[0-9]+.[0-9]+'
+  pull_request:
+
+jobs:
+  stylecheck:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.10']
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install black
+    - name: run stylecheck
+      run: |
+        python -m black --check --diff .

.github/workflows/python-unittests.yml

@@ -0,0 +1,33 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Unittests
+
+on:
+  push:
+    branches:
+      - master
+      - main
+      - '[0-9]+.[0-9]+'
+      - '[0-9]+.[0-9]+.[0-9]+'
+  pull_request:
+
+jobs:
+  unittests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: ['3.10', '3.11']
+        os: [windows-latest, macos-latest, ubuntu-latest]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -e .
+    - name: Test with unittest
+      run: python -m unittest discover -v -s tests

src/amulet_editor/data/plugin/_manager.py

@@ -188,7 +188,11 @@ def _validate_import(imported_name: str, frame: FrameType):
                 # Plugins don't need to specify native python libraries.
                 pass
             else:
-                package_name = packages_distributions()[imported_root_name][0].lower().replace("-", "_")
+                package_name = (
+                    packages_distributions()[imported_root_name][0]
+                    .lower()
+                    .replace("-", "_")
+                )
                 if not any(
                     dependency.identifier == package_name
                     for dependency in plugin_container.data.depends.library