File python3.6-verify_fd.patch of Package python-libxml2-python

_PyVerify_fd is a no-op outside of Windows CRT
and was dropped from Python 3.6

Index: libxml2-2.9.5/python/types.c
===================================================================
--- libxml2-2.9.5.orig/python/types.c
+++ libxml2-2.9.5/python/types.c
@@ -31,8 +31,6 @@ libxml_PyFileGet(PyObject *f) {
     const char *mode;
 
     fd = PyObject_AsFileDescriptor(f);
-    if (!_PyVerify_fd(fd))
-        return(NULL);
     /*
      * Get the flags on the fd to understand how it was opened
      */