diff --git a/openpype/modules/deadline/plugins/publish/submit_maya_deadline.py b/openpype/modules/deadline/plugins/publish/submit_maya_deadline.py
index a59b8f1a48..890d10595f 100644
--- a/openpype/modules/deadline/plugins/publish/submit_maya_deadline.py
+++ b/openpype/modules/deadline/plugins/publish/submit_maya_deadline.py
@@ -48,7 +48,7 @@ def _validate_deadline_bool_value(instance, attribute, value):
 
 
 @attr.s
-class MayaPluginInfo:
+class MayaPluginInfo():
     SceneFile = attr.ib(default=None)   # Input
     OutputFilePath = attr.ib(default=None)  # Output directory and filename
     OutputFilePrefix = attr.ib(default=None)
@@ -63,7 +63,7 @@ class MayaPluginInfo:
 
 
 @attr.s
-class PythonPluginInfo:
+class PythonPluginInfo():
     ScriptFile = attr.ib()
     Version = attr.ib(default="3.6")
     Arguments = attr.ib(default=None)
@@ -71,7 +71,7 @@ class PythonPluginInfo:
 
 
 @attr.s
-class VRayPluginInfo:
+class VRayPluginInfo():
     InputFilename = attr.ib(default=None)   # Input
     SeparateFilesPerFrame = attr.ib(default=None)
     VRayEngine = attr.ib(default="V-Ray")
@@ -82,7 +82,7 @@ class VRayPluginInfo:
 
 
 @attr.s
-class ArnoldPluginInfo:
+class ArnoldPluginInfo():
     ArnoldFile = attr.ib(default=None)