Prevent infinite loop when checking EXTRA_HEAD_DATA

Signed-off-by: Chris Warrick <kwpolska@gmail.com>
getnikola · Apr 13, 2017 · f06ef0c · f06ef0c
1 parent 55f6670
commit f06ef0c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nikola/nikola.py b/nikola/nikola.py
@@ -830,7 +830,7 @@ def __init__(self, **config):
 
         # Detect manually added KaTeX CSS (#2715/#2717)
         # TODO: remove on v8
-        if 'katex.min.css' in self.config.get('EXTRA_HEAD_DATA', ''):
+        if any('katex.min.css' in v for v in self.config['EXTRA_HEAD_DATA'].values.values()):
             utils.LOGGER.warn("KaTeX CSS is now added by Nikola whenever needed (if your theme supports it). Please remove katex.min.css from EXTRA_HEAD_DATA in conf.py.")
 
         # Handle old plugin names (from before merging the taxonomy PR #2535)