Update import logic to better work with python 3

mailgun2/__init__.py

@@ -1,9 +1,8 @@
+from __future__ import absolute_import
+
 __title__ = 'mailgun2'
 __version__ = '1.1.0'
 __author__ = 'Albert Wang'
 __license__ = 'Apache 2.0'
 
-try:
-    from .mailgun import Mailgun  # noqa: F401
-except ImportError:
-    pass
+from .mailgun import Mailgun  # noqa: F401

tests/mailgun.py → mailgun2/tests/mailgun.py

@@ -1,9 +1,10 @@
+from __future__ import absolute_import
 import os
 import unittest
 
 from mock import patch
 
-import mailgun2
+from .. import Mailgun
 
 
 class MailgunTestBase(unittest.TestCase):
@@ -12,7 +13,7 @@ def setUp(self):
         self.public_key = 'test_public_key'
         self.private_key = 'test_private_key'
         self.domain = 'test.domain'
-        self.mailgun = mailgun2.Mailgun(
+        self.mailgun = Mailgun(
             self.domain,
             self.public_key,
             self.private_key,
@@ -94,7 +95,7 @@ def test_headers(self):
 
     def test_inlines_attachments(self):
         current_path = os.path.abspath(os.path.dirname(__file__))
-        license_file = current_path + '/../LICENSE'
+        license_file = current_path + '/../../LICENSE'
         self.mailgun.send_message(
             'from@example.com',
             'to@example.com',

setup.py

@@ -26,7 +26,7 @@
         'requests>=2.6,<3.0',
     ],
     license='Apache',
-    test_suite="tests",
+    test_suite="mailgun2.tests",
     # testing requires flake8 and coverage but they're listed separately
     # because they need to wrap setup.py
     extras_require={