Description: getiterator function has been removed from  python 3.9 and replaced for the iter function.
 This patch fix the compatibility issue.
Debian-Bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=976573
Author: Josue Ortega <josue@debian.org>
Last-Update: 2021-01-17

--- a/xlrd/xlsx.py
+++ b/xlrd/xlsx.py
@@ -263,7 +263,7 @@
             fprintf(self.logfile, "\n=== %s ===\n", heading)
         self.tree = ET.parse(stream)
         getmethod = self.tag2meth.get
-        for elem in self.tree.iter() if Element_has_iter else self.tree.getiterator():
+        for elem in self.tree.iter() if Element_has_iter else self.tree.iter():
             if self.verbosity >= 3:
                 self.dump_elem(elem)
             meth = getmethod(elem.tag)
@@ -309,7 +309,7 @@
         self.tree = ET.parse(stream)
         getmenu = self.core_props_menu.get
         props = {}
-        for elem in self.tree.iter() if Element_has_iter else self.tree.getiterator():
+        for elem in self.tree.iter() if Element_has_iter else self.tree.iter():
             if self.verbosity >= 3:
                 self.dump_elem(elem)
             menu = getmenu(elem.tag)