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diff --git a/virtualenv.py b/virtualenv.py
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index 3ccbed6..504efc8 100755
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--- a/virtualenv.py
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+++ b/virtualenv.py
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@@ -473,7 +473,10 @@ def virtualenv_support_dirs():
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     # normal filesystem installation
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     if os.path.isdir(join(HERE, "virtualenv_support")):
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-        yield [join(HERE, "virtualenv_support")]
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+        if os.path.isdir("/usr/share/python-wheels"):
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+            yield ["/usr/share/python-wheels", join(HERE, "virtualenv_support")]
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+        else:
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+            yield [join(HERE, "virtualenv_support")]
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     elif IS_ZIPAPP:
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         tmpdir = tempfile.mkdtemp()
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         try: