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-rw-r--r--parsers/rst/directives/admonitions.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/parsers/rst/directives/admonitions.py b/parsers/rst/directives/admonitions.py
index bed3381b8..870b6659e 100644
--- a/parsers/rst/directives/admonitions.py
+++ b/parsers/rst/directives/admonitions.py
@@ -35,7 +35,7 @@ class BaseAdmonition(Directive):
self.lineno)
admonition_node += nodes.title(title_text, '', *textnodes)
admonition_node += messages
- if self.options.has_key('class'):
+ if 'class' in self.options:
classes = self.options['class']
else:
classes = ['admonition-' + nodes.make_id(title_text)]