Fix #6046: LaTeX: TypeError is raised when invalid latex_elements…

… given
sphinx-doc · Feb 10, 2019 · 2f7e278 · 2f7e278
1 parent b68d1d1
commit 2f7e278
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diff --git a/CHANGES b/CHANGES
@@ -17,6 +17,7 @@ Bugs fixed
 ----------
 
 * LaTeX: Remove extraneous space after author names on PDF title page (refs: #6004)
+* #6046: LaTeX: ``TypeError`` is raised when invalid latex_elements given
 
 Testing
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diff --git a/sphinx/builders/latex/__init__.py b/sphinx/builders/latex/__init__.py
@@ -376,7 +376,7 @@ def validate_config_values(app, config):
     for key in list(config.latex_elements):
         if key not in DEFAULT_SETTINGS:
             msg = __("Unknown configure key: latex_elements[%r]. ignored.")
-            logger.warning(msg % key)
+            logger.warning(msg % (key,))
             config.latex_elements.pop(key)