Support Django 3

geoposition/fields.py

@@ -1,7 +1,6 @@
 from __future__ import unicode_literals
 
 from django.db import models
-from django.utils.six import with_metaclass
 from django.utils.translation import ugettext_lazy as _
 from django.utils.encoding import smart_text
 
@@ -40,7 +39,7 @@ def to_python(self, value):
 
         return Geoposition(latitude, longitude)
 
-    def from_db_value(self, value, expression, connection, context):
+    def from_db_value(self, value, expression, connection):
         return self.to_python(value)
 
     def get_prep_value(self, value):

geoposition/widgets.py

@@ -3,7 +3,6 @@
 import json
 from django import forms
 from django.template.loader import render_to_string
-from django.utils import six
 from django.utils.translation import ugettext_lazy as _
 from .conf import settings
 
@@ -17,7 +16,7 @@ def __init__(self, attrs=None):
         super(GeopositionWidget, self).__init__(widgets, attrs)
 
     def decompress(self, value):
-        if isinstance(value, six.text_type):
+        if isinstance(value, str):
             return value.rsplit(',')
         if value:
             return [value.latitude, value.longitude]