Merge pull request #92 from chris-erickson/patch-1

Fix depreciation warning importing from collections in python 3.7

Author: derek73

nameparser/config/__init__.py

@@ -29,7 +29,7 @@
 unexpected results. See `Customizing the Parser <customize.html>`_.
 """
 from __future__ import unicode_literals
-import collections
+from collections.abc import Set
 import sys
 
 from nameparser.util import binary_type
@@ -45,7 +45,7 @@
 
 DEFAULT_ENCODING = 'UTF-8'
 
-class SetManager(collections.Set):
+class SetManager(Set):
     '''
     Easily add and remove config variables per module or instance. Subclass of
     ``collections.Set``.