upgrade python packages to latest versions

tests/test_main.py

@@ -616,7 +616,7 @@ class MainTestCase(utils.TestCase):
             shutil.copy(entity, os.path.join(tempdir, 'emptyfile.txt'))
             entity = os.path.realpath(os.path.join(tempdir, 'emptyfile.txt'))
 
-            package_path = 'wakatime.packages.py3.tzlocal.get_localzone' if is_py3 else 'wakatime.packages.py2.tzlocal.get_localzone'
+            package_path = 'wakatime.packages.tzlocal.get_localzone'
             timezone = tzlocal.get_localzone()
             timezone.zone = 'tz汉语' if is_py3 else 'tz\xe6\xb1\x89\xe8\xaf\xad'
             with utils.mock.patch(package_path) as mock_getlocalzone:

tests/test_offlinequeue.py

@@ -259,7 +259,7 @@ class OfflineQueueTestCase(utils.TestCase):
             with utils.mock.patch('wakatime.offlinequeue.Queue.get_db_file') as mock_db_file:
                 mock_db_file.return_value = fh.name
 
-                exception_msg = u("Oops, requests raised an exception. You're move.")
+                exception_msg = u("Oops, requests raised an exception. This is a test.")
                 self.patched['wakatime.packages.requests.adapters.HTTPAdapter.send'].side_effect = AttributeError(exception_msg)
 
                 now = u(int(time.time()))