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-rw-r--r--Lib/doctest.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/doctest.py b/Lib/doctest.py
index 1b06990..887833e 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -371,6 +371,8 @@ _isEmpty = re.compile(r"\s*$").match
_isComment = re.compile(r"\s*#").match
del re
+__all__ = []
+
# Extract interactive examples from a string. Return a list of triples,
# (source, outcome, lineno). "source" is the source code, and ends
# with a newline iff the source spans more than one line. "outcome" is