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-rw-r--r--sphinx/ext/viewcode.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/sphinx/ext/viewcode.py b/sphinx/ext/viewcode.py
index 21cff6a03..6bedf2e1c 100644
--- a/sphinx/ext/viewcode.py
+++ b/sphinx/ext/viewcode.py
@@ -152,7 +152,11 @@ def env_merge_info(app: Sphinx, env: BuildEnvironment, docnames: Iterable[str],
def env_purge_doc(app: Sphinx, env: BuildEnvironment, docname: str) -> None:
modules = getattr(env, '_viewcode_modules', {})
- for modname, (code, tags, used, refname) in list(modules.items()):
+ for modname, entry in list(modules.items()):
+ if entry is False:
+ continue
+
+ code, tags, used, refname = entry
for fullname in list(used):
if used[fullname] == docname:
used.pop(fullname)