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-rw-r--r--logilab/common/configuration.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/logilab/common/configuration.py b/logilab/common/configuration.py
index 38af31d..b7f364b 100644
--- a/logilab/common/configuration.py
+++ b/logilab/common/configuration.py
@@ -635,7 +635,7 @@ class OptionsManagerMixIn(object):
parser = self.cfgfile_parser
parser.read([config_file])
# normalize sections'title
- for sect, values in parser._sections.items():
+ for sect, values in list(parser._sections.items()):
if not sect.isupper() and values:
parser._sections[sect.upper()] = values
elif not self.quiet: