fix livestream startup issue

lnbits/extensions/livestream/__init__.py

@@ -30,6 +30,6 @@ from .views import *  # noqa
 from .views_api import *  # noqa
 
 
-def lnticket_start():
+def livestream_start():
     loop = asyncio.get_event_loop()
     loop.create_task(catch_everything_and_restart(wait_for_paid_invoices))

lnbits/extensions/livestream/views.py

@@ -1,5 +1,5 @@
 from http import HTTPStatus
-from mmap import MAP_DENYWRITE
+# from mmap import MAP_DENYWRITE
 
 from fastapi.param_functions import Depends
 from fastapi.params import Query