fix .pth file inclusion

MANIFEST.in

@@ -3,4 +3,3 @@ graft jupyter-config
 
 include LICENSE
 include pyproject.toml
-include reactpy_jupyter.pth

reactpy_jupyter/__init__.py

@@ -10,7 +10,7 @@
 from .monkey_patch import execute_patch
 from .widget_component import from_widget
 
-__version__ = "0.9.1"  # DO NOT MODIFY
+__version__ = "0.9.2"  # DO NOT MODIFY
 
 __all__ = (
     "from_widget",

setup.py

@@ -161,6 +161,17 @@ def build_javascript_first(cmd: Command):
         log.info("Successfully installed Javascript")
 
 
+def build_with_pth_file(cmd: Command):
+    build_lib = getattr(cmd, "build_lib", None) or getattr(cmd, "dist_dir", None)
+    if build_lib is None:
+        raise ValueError("Cannot find build_lib or dist_dir")
+
+    pth_filename = f"{NAME}.pth"
+    source_pth_file = ROOT_DIR / pth_filename
+    target_pth_file = Path(build_lib, pth_filename)
+    cmd.copy_file(str(source_pth_file), str(target_pth_file))
+
+
 def add_to_cmd(cls: Command, functions: list[Callable[[Command], None]]) -> Command:
     class Command(cls):
         def run(self):
@@ -175,6 +186,7 @@ def run(self):
     add_to_cmd,
     functions=[
         build_javascript_first,
+        build_with_pth_file,
     ],
 )