Fixes `parser.clean()` reported in issue #16820.
diff --git a/Lib/configparser.py b/Lib/configparser.py
index 06d594a..243efec 100644
--- a/Lib/configparser.py
+++ b/Lib/configparser.py
@@ -851,6 +851,19 @@
value_getter = lambda option: d[option]
return [(option, value_getter(option)) for option in d.keys()]
+ def popitem(self):
+ """Remove a section from the parser and return it as
+ a (section_name, section_proxy) tuple. If no section is present, raise
+ KeyError.
+
+ The section DEFAULT is never returned because it cannot be removed.
+ """
+ for key in self.sections():
+ value = self[key]
+ del self[key]
+ return key, value
+ raise KeyError
+
def optionxform(self, optionstr):
return optionstr.lower()