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-rw-r--r--sphinx/builders/qthelp.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/sphinx/builders/qthelp.py b/sphinx/builders/qthelp.py
index 1d462841..1863fb49 100644
--- a/sphinx/builders/qthelp.py
+++ b/sphinx/builders/qthelp.py
@@ -123,7 +123,7 @@ class QtHelpBuilder(StandaloneHTMLBuilder):
prune_toctrees=False)
istoctree = lambda node: (
isinstance(node, addnodes.compact_paragraph)
- and node.has_key('toctree'))
+ and 'toctree' in node)
sections = []
for node in tocdoc.traverse(istoctree):
sections.extend(self.write_toc(node))