Don't break on empty stack

3 years ago · d82e291688
parent 2f423117c1
commit d82e291688
1 changed files with 2 additions and 1 deletions
--- a/yamllint/rules/key_duplicates.py
+++ b/yamllint/rules/key_duplicates.py
@ -84,6 +84,7 @@ def check(conf, token, prev, next, nextnext, context):
    elif isinstance(token, (yaml.BlockEndToken,
                            yaml.FlowMappingEndToken,
                            yaml.FlowSequenceEndToken)):
+        if len(context['stack']) > 0:
            context['stack'].pop()
    elif (isinstance(token, yaml.KeyToken) and
          isinstance(next, yaml.ScalarToken)):