remove string_types for compability with new mkdocs

Author: timvink

mkdocs_git_authors_plugin/plugin.py

@@ -1,12 +1,11 @@
 import re
 from mkdocs.config import config_options
 from mkdocs.plugins import BasePlugin
-from mkdocs.utils import string_types
 from .util import Util
 
 class GitAuthorsPlugin(BasePlugin):
     config_scheme = (
-        ('type', config_options.Type(string_types, default='')),
+        ('type', config_options.Type(str, default='')),
     )
 
     def __init__(self):

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='mkdocs-git-authors-plugin',
-    version='0.1.1',
+    version='0.1.2',
     description='Mkdocs plugin to display git authors of a page',
     long_description=long_description,
     long_description_content_type="text/markdown",