Revert addition of timezone that caused tests failures

Author: mitya57

sphinxcontrib/websupport/storage/sqlalchemy_db.py

@@ -5,7 +5,7 @@
 
 from __future__ import annotations
 
-from datetime import datetime, timezone
+from datetime import datetime
 
 from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, String, Text
 from sqlalchemy.orm import aliased, declarative_base, relationship, sessionmaker
@@ -159,7 +159,7 @@ def serializable(self, vote=0):
         """Creates a serializable representation of the comment. This is
         converted to JSON, and used on the client side.
         """
-        delta = datetime.now(tz=timezone.utc) - self.time
+        delta = datetime.now() - self.time  # noqa: DTZ005
 
         time = {
             "year": self.time.year,

sphinxcontrib/websupport/storage/sqlalchemystorage.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from datetime import datetime, timezone
+from datetime import datetime
 
 import sqlalchemy
 from sqlalchemy.orm import aliased
@@ -72,7 +72,7 @@ def add_comment(self, text, displayed, username, time,
                 raise CommentNotAllowedError(msg)
 
         comment = Comment(text, displayed, username, 0,
-                          time or datetime.now(tz=timezone.utc), proposal, proposal_diff)
+                          time or datetime.now(), proposal, proposal_diff)  # noqa: DTZ005
         session.add(comment)
         session.flush()
         # We have to flush the session before setting the path so the