Merge pull request #11 from ynput/bug/fix_tv_paint_get_current_workfi…

…le_when_no_scene_is_opened

Return `None` from `get_current_workfile` when no workfile is currently opened

client/ayon_tvpaint/api/pipeline.py

@@ -160,7 +160,11 @@ def work_root(self, session):
         return session["AYON_WORKDIR"]
 
     def get_current_workfile(self):
-        return execute_george("tv_GetProjectName")
+        # TVPaint returns a '\' character when no scene is currently opened
+        current_workfile = execute_george("tv_GetProjectName")
+        if current_workfile == '\\':
+            return None
+        return current_workfile
 
     def workfile_has_unsaved_changes(self):
         return None