diff -urNp -x '*.orig' Python-3.9.2.org/Lib/sysconfig.py Python-3.9.2/Lib/sysconfig.py
--- Python-3.9.2.org/Lib/sysconfig.py 2021-02-19 13:31:44.000000000 +0100
+++ Python-3.9.2/Lib/sysconfig.py 2021-02-25 18:40:00.705652346 +0100
+@@ -27,7 +27,7 @@
+ 'posix_prefix': {
+ 'stdlib': '{installed_base}/{platlibdir}/python{py_version_short}',
+ 'platstdlib': '{platbase}/{platlibdir}/python{py_version_short}',
+- 'purelib': '{base}/lib/python{py_version_short}/site-packages',
++ 'purelib': '{base}/{platlibdir}/python{py_version_short}/site-packages',
+ 'platlib': '{platbase}/{platlibdir}/python{py_version_short}/site-packages',
+ 'include':
+ '{installed_base}/include/python{py_version_short}{abiflags}',
@@ -37,10 +37,10 @@ _INSTALL_SCHEMES = {
'data': '{base}',
},