diff --git a/package_python_function/nested_zip_loader.py b/package_python_function/nested_zip_loader.py
index 2fc2b0d..e5c9f7a 100644
--- a/package_python_function/nested_zip_loader.py
+++ b/package_python_function/nested_zip_loader.py
@@ -40,8 +40,8 @@ def load_nested_zip() -> None:
     # [No longer applicable] We want our path to look like [working_dir, /tmp/package-python-function, ...]
     # Refer to https://docs.aws.amazon.com/lambda/latest/dg/python-package.html#python-package-searchpath
     # We need to replace the original path that AWS Lambda setup for us.
-    # sys.path.insert(1, target_package_path)
-    sys.path[0] = target_package_path
+    # sys.path.insert(1, str(target_package_path))
+    sys.path[0] = str(target_package_path)
     importlib.reload(sys.modules[__name__])
 
 load_nested_zip()
\ No newline at end of file
diff --git a/tests/test_local.py b/tests/test_local.py
new file mode 100644
index 0000000..8c2db9d
--- /dev/null
+++ b/tests/test_local.py
@@ -0,0 +1,24 @@
+import importlib
+from pathlib import Path
+import sys
+import zipfile
+
+
+def xtest_local(package_path: str, entrypoint: str) -> None:
+    output_path = Path(package_path).parent / 'lambda'
+    output_path.mkdir(parents=True, exist_ok=True)
+    with zipfile.ZipFile(package_path, 'r') as zip:
+        zip.extractall(str(output_path))
+
+    sys.path.insert(0, str(output_path))
+
+    entrypoint_parts = entrypoint.split('.')
+    module_name = '.'.join(entrypoint_parts[0:1])
+    entry_function = entrypoint_parts[2]
+    module = importlib.import_module(module_name)
+    print(sys.path)
+    module.__dict__[entry_function]()
+
+
+if __name__ == '__main__':
+    xtest_local(sys.argv[1], sys.argv[2])
\ No newline at end of file