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-rw-r--r--setuptools/command/install_lib.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/setuptools/command/install_lib.py b/setuptools/command/install_lib.py
index 92490b6e..7f157a0f 100644
--- a/setuptools/command/install_lib.py
+++ b/setuptools/command/install_lib.py
@@ -18,8 +18,12 @@ class install_lib(orig.install_lib):
"""
exclude = set()
pkg_path = lambda pkg: os.path.join(self.install_dir, *pkg.split('.'))
- for ns_pkg in self._get_SVEM_NSPs():
- for pkg in self._all_packages(ns_pkg):
+ all_packages = (
+ pkg
+ for ns_pkg in self._get_SVEM_NSPs()
+ for pkg in self._all_packages(ns_pkg)
+ )
+ for pkg in all_packages:
for f in self._gen_exclude_names():
exclude.add(os.path.join(pkg_path(pkg), f))
return exclude