[ocrfeeder: 1/2] Remove the usage of deprecated 'xml.etree.ElementTree.Element.getchildren'

[Joaquim Rocha <jrocha src gnome org>]

commit c0c460893961d5589f300645b32b5584a6c3f463
Author: Roman Franchuk <franchukrom gmail com>
Date:   Mon Nov 30 23:16:15 2020 +0100

    Remove the usage of deprecated 'xml.etree.ElementTree.Element.getchildren'
    
    It's not available anymore since Python 3.9.

 src/ocrfeeder/feeder/ocrEngines.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/ocrfeeder/feeder/ocrEngines.py b/src/ocrfeeder/feeder/ocrEngines.py
index e0cab8c..aa3779b 100644
--- a/src/ocrfeeder/feeder/ocrEngines.py
+++ b/src/ocrfeeder/feeder/ocrEngines.py
@@ -233,7 +233,7 @@ class OcrEnginesManager:
         document = ET.parse(xml_file_name)
         root_node = document.getroot()
         arguments = {}
-        for child in root_node.getchildren():
+        for child in list(root_node):
             arg_name = child.tag
             arg_value = child.text
             arguments[arg_name] = arg_value