Seems there was a version string here that still looked like 1.5.2.

gvanrossum · gvanrossum · commit 5cf648b65482 · 2000-03-30T22:59:09.000Z
diff --git a/PC/python_nt.rc b/PC/python_nt.rc
@@ -28,8 +28,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,5,2,3
- PRODUCTVERSION 1,5,2,3
+ FILEVERSION 1,6,0,0
+ PRODUCTVERSION 1,6,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
