Py2.6 fix.

6430ac43 · Stefan Behnel · af81f34e · 6430ac43
Commit 6430ac43 authored Mar 07, 2018 by Stefan Behnel
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Cython/Compiler/Annotate.py Cython/Compiler/Annotate.py +1 -1

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--- a/Cython/Compiler/Annotate.py
+++ b/Cython/Compiler/Annotate.py
@@ -107,7 +107,7 @@ class AnnotationCCodeWriter(CCodeWriter):
    """)

    # on-click toggle function to show/hide C source code
-    _onclick_attr = ' onclick="{}"'.format((
+    _onclick_attr = ' onclick="{0}"'.format((
        "(function(s){"
        "    s.display =  s.display === 'block' ? 'none' : 'block'"
        "})(this.nextElementSibling.style)"