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-rw-r--r--sphinx/builders/html.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/sphinx/builders/html.py b/sphinx/builders/html.py
index 5c3d9601e..062c56669 100644
--- a/sphinx/builders/html.py
+++ b/sphinx/builders/html.py
@@ -46,6 +46,7 @@ from sphinx.util.console import bold, darkgreen # type: ignore
from sphinx.writers.html import HTMLWriter, HTMLTranslator, \
SmartyPantsHTMLTranslator
from sphinx.environment.adapters.toctree import TocTree
+from sphinx.environment.adapters.indexentries import IndexEntries
if False:
# For type annotation
@@ -542,7 +543,7 @@ class StandaloneHTMLBuilder(Builder):
# type: () -> None
# the total count of lines for each index letter, used to distribute
# the entries into two columns
- genindex = self.env.create_index(self)
+ genindex = IndexEntries(self.env).create_index(self)
indexcounts = []
for _k, entries in genindex:
indexcounts.append(sum(1 + len(subitems)