Merge pull request #7 from ynput/enhancement/improve_validation_unsav…

…ed_workfile

Do not error on Collect Workfile Representations if current file is unsaved

client/ayon_substancepainter/plugins/publish/collect_workfile_representation.py

@@ -13,7 +13,11 @@ class CollectWorkfileRepresentation(pyblish.api.InstancePlugin):
     def process(self, instance):
 
         context = instance.context
-        current_file = context.data["currentFile"]
+        current_file = context.data.get("currentFile")
+        if not current_file:
+            self.log.warning("Current file is not saved. File could not be "
+                             "collected as workfile representation.")
+            return
 
         folder, file = os.path.split(current_file)
         filename, ext = os.path.splitext(file)