diff --git a/pigwig/pigwig.py b/pigwig/pigwig.py
index fb643cb..3082946 100644
--- a/pigwig/pigwig.py
+++ b/pigwig/pigwig.py
@@ -207,9 +207,9 @@ def main(self, host: str='0.0.0.0', port: int | None=None) -> None:
 		elif sys.platform == 'darwin':
 			try:
 				from . import reloader_osx as reloader
-			except ImportError as e:
+			except ImportError:
 				have_reloader = False
-				print('install', e.name, 'for auto-reloading')
+				print('install MacFSEvents for auto-reloading')
 		else:
 			have_reloader = False
 			print('no reloader available for', sys.platform)
diff --git a/pigwig/reloader_osx.py b/pigwig/reloader_osx.py
index cc3c4f2..0d8096f 100644
--- a/pigwig/reloader_osx.py
+++ b/pigwig/reloader_osx.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import os
 import sys
 import typing
diff --git a/pyproject.toml b/pyproject.toml
index 2d67596..012ca3e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = 'pigwig'
-version = '0.8.0'
+version = '0.8.1'
 authors = [{name='raylu'}]
 description = 'a python 3.6+ WSGI framework'
 requires-python = '>=3.6'