deb.py: Make pylint stop complaining about arpy
diff --git a/buildstream/plugins/sources/deb.py b/buildstream/plugins/sources/deb.py
index eaf24d9..9d630cb 100644
--- a/buildstream/plugins/sources/deb.py
+++ b/buildstream/plugins/sources/deb.py
@@ -46,7 +46,7 @@
 
 import tarfile
 from contextlib import contextmanager, ExitStack
-import arpy
+import arpy                                       # pylint: disable=import-error
 
 from .tar import TarSource