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-rwxr-xr-xsetuptools/sandbox.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/setuptools/sandbox.py b/setuptools/sandbox.py
index 441cae01..91dfc519 100755
--- a/setuptools/sandbox.py
+++ b/setuptools/sandbox.py
@@ -9,6 +9,7 @@ except NameError:
_file = None
_open = open
from distutils.errors import DistutilsError
+from setuptools.compat import builtins, execfile, reduce
from pkg_resources import working_set
from setuptools.compat import builtins, execfile, reduce
@@ -86,7 +87,7 @@ def run_setup(setup_script, args):
# exclude any encodings modules. See #285
and not mod_name.startswith('encodings.')
]
- map(sys.modules.__delitem__, del_modules)
+ list(map(sys.modules.__delitem__, del_modules))
os.chdir(old_dir)
sys.path[:] = save_path
sys.argv[:] = save_argv