Use list constructor or built-in method instead of copy module
diff --git a/Lib/packaging/util.py b/Lib/packaging/util.py
index 4e5bd2c..748686d 100644
--- a/Lib/packaging/util.py
+++ b/Lib/packaging/util.py
@@ -14,7 +14,6 @@
import posixpath
import sysconfig
import subprocess
-from copy import copy
from glob import iglob as std_iglob
from fnmatch import fnmatchcase
from inspect import getsource
@@ -384,7 +383,7 @@
elif optimize == 2:
cmd.insert(1, "-OO")
- env = copy(os.environ)
+ env = os.environ.copy()
env['PYTHONPATH'] = os.path.pathsep.join(sys.path)
try:
spawn(cmd, env=env)