Fix tests

Author: curusarn

tests/test_frame.py

@@ -3,6 +3,8 @@
 from logtail.frame import create_frame
 from logtail.handler import LogtailHandler
 from logtail.helpers import LogtailContext
+from sys import version_info
+import datetime
 import unittest2
 import logging
 
@@ -15,9 +17,12 @@ def test_create_frame_happy_path(self):
         # ISO timestamp must end with timezone info
         self.assertTrue(frame['dt'].endswith("+00:00"))
 
+        # These tests require Python >= 3.7
+        if version_info.major == 2 or version_info.minor <= 6:
+            return
         # Sent date matches log record date
-        date_ref = datetime.utcfromtimestamp(log_record.created)
-        date_sent = datetime.fromisoformat(frame['dt'])
+        date_ref = datetime.datetime.utcfromtimestamp(log_record.created).replace(tzinfo=datetime.timezone.utc)
+        date_sent = datetime.datetime.fromisoformat(frame['dt'])
         self.assertEqual(date_ref, date_sent)
 
     def test_create_frame_with_extra(self):