remove broken Python2 support

setup.py

@@ -12,7 +12,6 @@
 from setuptools import setup
 
 HERE = os.path.dirname(os.path.abspath(__file__))
-PY3 = sys.version_info[0] == 3
 
 
 def get_version():
@@ -41,7 +40,6 @@ def get_version():
     "password": ["passlib >= 1.6, < 2.0"],
     "color": ["colour>=0.0.4"],
     "i18n": ["SQLAlchemy-i18n >= 0.8.2"],
-    "ipaddress": ["ipaddr"] if not PY3 else [],
     "timezone": ["python-dateutil"],
 }
 

tests/test_select_field.py

@@ -1,6 +1,5 @@
 from decimal import Decimal
 
-import six
 import sqlalchemy as sa
 from wtforms_components import SelectField
 
@@ -69,11 +68,11 @@ def test_unicode_coerces_values_to_unicode_strings(self):
         self.init(type_=sa.Unicode(255), info={"choices": choices})
         form = self.form_class(MultiDict({"test_column": "2.0"}))
         assert form.test_column.data == "2.0"
-        assert isinstance(form.test_column.data, six.text_type)
+        assert isinstance(form.test_column.data, str)
 
     def test_unicode_text_coerces_values_to_unicode_strings(self):
         choices = [("1.0", "1.0"), ("2.0", "2.0")]
         self.init(type_=sa.UnicodeText, info={"choices": choices})
         form = self.form_class(MultiDict({"test_column": "2.0"}))
         assert form.test_column.data == "2.0"
-        assert isinstance(form.test_column.data, six.text_type)
+        assert isinstance(form.test_column.data, str)