Prefer set to dict.fromkeys

4e960934 · Jason R. Coombs · a0ad4c94 · 4e960934
Commit 4e960934 authored Dec 09, 2015 by Jason R. Coombs
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setuptools/command/build_py.py setuptools/command/build_py.py +1 -1

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--- a/setuptools/command/build_py.py
+++ b/setuptools/command/build_py.py
@@ -187,7 +187,7 @@ class build_py(orig.build_py, Mixin2to3):
            self.exclude_package_data.get('', [])
            + self.exclude_package_data.get(package, [])
        )
-        bad = dict.fromkeys(
+        bad = set(
            item
            for pattern in globs
            for item in fnmatch.filter(