check if action is defined

nexdatas · Nov 5, 2024 · aa9be9f · aa9be9f
1 parent 24ac55f
commit aa9be9f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/nxstools/nxsfileinfo.py b/nxstools/nxsfileinfo.py
@@ -747,7 +747,8 @@ def overwrite(self, metadata, cmap=None, clist=None, cmapfield=None):
                             else:
                                 td[tg] = {}
                                 td = td[tg]
-                        if action.lower() in ["extend", "append", "e", "a"]:
+                        if action and action.lower() \
+                                in ["extend", "append", "e", "a"]:
                             if tg not in parent:
                                 parent[tg] = []
                             elif not isinstance(parent[tg], list):