Do not test apscheduler imports
It has many optional dependencies.
Note: mandatory check (NEED_CHECK) was skipped
@@ -17,6 +17,8 @@ def check_imports(no_check=None, extra=[], skip_func=None):
exceptions = [
'__yt_entry_point__',
+ 'apscheduler.*',
+
'boto.*',
'celery.backends.database.*', # needs optional dependency sqlalchemy
