rearrange: fix python package

jupyterlab_simpledark/__init__.py

@@ -0,0 +1,16 @@
+try:
+    from ._version import __version__
+except ImportError:
+    # Fallback when using the package in dev mode without installing
+    # in editable mode with pip. It is highly recommended to install
+    # the package from a stable release or in editable mode: https://pip.pypa.io/en/stable/topics/local-project-installs/#editable-installs
+    import warnings
+    warnings.warn("Importing 'jupyterlab_simpledark' outside a proper installation.")
+    __version__ = "dev"
+
+
+def _jupyter_labextension_paths():
+    return [{
+        "src": "labextension",
+        "dest": "jupyterlab_simpledark"
+    }]

pyproject.toml

@@ -3,7 +3,7 @@ requires = ["hatchling>=1.5.0", "jupyterlab>=4.0.0,<5", "hatch-nodejs-version>=0
 build-backend = "hatchling.build"
 
 [project]
-name = "jupyterlab-simpledark"
+name = "jupyterlab_simpledark"
 readme = "README.md"
 license = { file = "LICENSE" }
 requires-python = ">=3.8"