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-rw-r--r--logilab/common/modutils.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/logilab/common/modutils.py b/logilab/common/modutils.py
index 3bcda8a..b587e8c 100644
--- a/logilab/common/modutils.py
+++ b/logilab/common/modutils.py
@@ -70,8 +70,7 @@ except DistutilsPlatformError:
EXT_LIB_DIR = get_python_lib()
-BUILTIN_MODULES = dict(zip(sys.builtin_module_names,
- [1]*len(sys.builtin_module_names)))
+BUILTIN_MODULES = dict.fromkeys(sys.builtin_module_names, True)
class NoSourceFile(Exception):