fix check for property nested statement

scirexport/importools.py

@@ -173,7 +173,8 @@ def import_rearrangements(
         [
             airr_extended_dic[x]["table"]
             for x in rearrangements.columns
-            if airr_extended_dic[x]
+            if x in airr_extended_dic
+            and airr_extended_dic[x]
             and "table" in airr_extended_dic[x]
             and "current" == airr_extended_dic[x]["database"]
         ]