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-rwxr-xr-xsetuptools/package_index.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/setuptools/package_index.py b/setuptools/package_index.py
index f3ee5ec0..cdedef83 100755
--- a/setuptools/package_index.py
+++ b/setuptools/package_index.py
@@ -162,6 +162,7 @@ def interpret_distro_name(
platform = platform
)
+
# From Python 2.7 docs
def unique_everseen(iterable, key=None):
"List unique elements, preserving order. Remember all elements ever seen."