Use sys._stdlib_dir to find the stdlib dir.

ericsnowcurrently · ericsnowcurrently · commit b2aa67d3f123 · 2021-10-14T14:59:10.000-06:00
diff --git a/Lib/site.py b/Lib/site.py
@@ -418,8 +418,10 @@ def setcopyright():
     files, dirs = [], []
     # Not all modules are required to have a __file__ attribute.  See
     # PEP 420 for more details.
-    if hasattr(os, '__file__'):
+    here = getattr(sys, '_stdlib_dir', None)
+    if not here and hasattr(os, '__file__'):
         here = os.path.dirname(os.__file__)
+    if here:
         files.extend(["LICENSE.txt", "LICENSE"])
         dirs.extend([os.path.join(here, os.pardir), here, os.curdir])
     builtins.license = _sitebuiltins._Printer(
