diff --git a/openpype/lib/editorial.py b/openpype/lib/editorial.py
index 158488dd56b..8e8e365bdb7 100644
--- a/openpype/lib/editorial.py
+++ b/openpype/lib/editorial.py
@@ -7,6 +7,8 @@
     import opentimelineio as otio
     from opentimelineio import opentime as _ot
 except ImportError:
+    if not os.environ.get("AVALON_APP"):
+        raise
     otio = discover_host_vendor_module("opentimelineio")
     _ot = discover_host_vendor_module("opentimelineio.opentime")