CI: use the latest black formatter version

.github/workflows/formatting-check.yaml

@@ -35,9 +35,12 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
       - name: black style check
         run: |
-          sudo apt-get install black
+          pip3 install git+https://github.com/psf/black
           black .
           git diff -q | tee format_diff.txt
           if [ -s format_diff.txt ]; then exit 1; fi

src/python/blazingmq/dev/configurator/__init__.py

@@ -355,32 +355,28 @@ class Site(abc.ABC):
     configurator: "Configurator"
 
     @abc.abstractmethod
-    def __str__(self) -> str:
-        ...
+    def __str__(self) -> str: ...
 
     @abc.abstractmethod
-    def install(self, from_path: Union[str, Path], to_path: Union[str, Path]) -> None:
-        ...
+    def install(
+        self, from_path: Union[str, Path], to_path: Union[str, Path]
+    ) -> None: ...
 
     @abc.abstractmethod
-    def create_file(self, path: Union[str, Path], content: str, mode=None) -> None:
-        ...
+    def create_file(self, path: Union[str, Path], content: str, mode=None) -> None: ...
 
     @abc.abstractmethod
-    def mkdir(self, path: Union[str, Path]) -> None:
-        ...
+    def mkdir(self, path: Union[str, Path]) -> None: ...
 
     @abc.abstractmethod
-    def rmdir(self, path: Union[str, Path]) -> None:
-        ...
+    def rmdir(self, path: Union[str, Path]) -> None: ...
 
     @abc.abstractmethod
     def create_json_file(
         self,
         path: Union[str, Path],
         content,
-    ) -> None:
-        ...
+    ) -> None: ...
 
 
 def _cluster_definition_partial_prototype(partition_config: mqbcfg.PartitionConfig):