[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

src/latexplotlib/_config.py

@@ -19,6 +19,11 @@
 
 
 class Config:
+
+    def _open(self, path: Path) -> Dict[str, ConfigData]:
+        with path.open(encoding="utf-8") as fh:
+            config: Dict[str, ConfigData] = json.load(fh)
+        return config
     def __init__(self, path: Path) -> None:
         self.path = path
 
@@ -27,11 +32,6 @@ def __init__(self, path: Path) -> None:
 
         self._config = self._open(path)
 
-    def _open(self, path: Path) -> Dict[str, ConfigData]:
-        with path.open(encoding="utf-8") as fh:
-            config: Dict[str, ConfigData] = json.load(fh)
-        return config
-
     def _write(self, cfg: Mapping[str, ConfigData]) -> None:
         with self.path.open("w", encoding="utf-8") as fh:
             json.dump(cfg, fh, indent=4)