Try a fixed version

jupyterlab/commands.py

@@ -795,8 +795,8 @@ def _ensure_package(app_dir, logger=None, name=None, version=None):
     # Template the package.json file.
     data = _get_package_template(app_dir, logger)
     data['jupyterlab']['name'] = name or 'JupyterLab'
-    version = version or __version__
-    data['jupyterlab']['version'] = version
+    #version = version or __version__
+    data['jupyterlab']['version'] = '0.1.0'
 
     pkg_path = pjoin(staging, 'package.json')
     with open(pkg_path, 'w') as fid: