fix script

Author: rmorshea

src/py/reactpy/pyproject.toml

@@ -111,11 +111,7 @@ artifacts = ["js"]
 out_dir = "reactpy/_static"
 commands = [
   # link the js directory if it doesn't exist - use Python to avoid platform differences
-  """python -c \"
-  from pathlib import Path
-  js = Path('js')
-  js.symlink_to(Path('..','..','js').resolve(),target_is_directory=True)
-  \"""",
+  "python -c \"import pathlib as p;js=p.Path('js');js.exists() or js.symlink_to(p.Path('..','..','js').resolve(),target_is_directory=True);\"",
   "cd js && npm ci && npm run build; echo 'done'",
 ]
 artifacts = ["js/app/dist/"]