Adjust for the removal of the ABCs from the python collections module

Python 3.10 will finally remove the long deprecated aliases to the
Abstract Base Classes from the collections module.

    https://docs.python.org/3.10/whatsnew/3.10.html#removed

Fixes MythTV#374

mythtv/bindings/python/MythTV/utility/dicttoxml.py

@@ -14,7 +14,10 @@
 version = __version__
 
 from random import randint
-import collections
+try:
+    from collections.abc import Iterable
+except ImportError:
+    from collections import Iterable
 import numbers
 import logging
 from xml.dom.minidom import parseString
@@ -95,7 +98,7 @@ def get_xml_type(val):
         return 'null'
     if isinstance(val, dict):
         return 'dict'
-    if isinstance(val, collections.Iterable):
+    if isinstance(val, Iterable):
         return 'list'
     return type(val).__name__
 
@@ -187,7 +190,7 @@ def convert(obj, ids, attr_type, item_func, cdata, parent='root'):
     if isinstance(obj, dict):
         return convert_dict(obj, ids, parent, attr_type, item_func, cdata)
 
-    if isinstance(obj, collections.Iterable):
+    if isinstance(obj, Iterable):
         return convert_list(obj, ids, parent, attr_type, item_func, cdata)
 
     raise TypeError('Unsupported data type: %s (%s)' % (obj, type(obj).__name__))
@@ -231,7 +234,7 @@ def convert_dict(obj, ids, parent, attr_type, item_func, cdata):
                 )
             )
 
-        elif isinstance(val, collections.Iterable):
+        elif isinstance(val, Iterable):
             if attr_type:
                 attr['type'] = get_xml_type(val)
             addline('<%s%s>%s</%s>' % (
@@ -294,7 +297,7 @@ def convert_list(items, ids, parent, attr_type, item_func, cdata):
                     )
                 )
 
-        elif isinstance(item, collections.Iterable):
+        elif isinstance(item, Iterable):
             if not attr_type:
                 addline('<%s %s>%s</%s>' % (
                     item_name, make_attrstring(attr),

mythtv/bindings/python/tmdb3/tmdb3/pager.py

@@ -5,7 +5,10 @@
 # Author: Raymond Wagner
 #-----------------------
 
-from collections import Sequence, Iterator
+try:
+    from collections.abc import Sequence, Iterator
+except ImportError:
+    from collections import Sequence, Iterator
 
 try:
     xrange