fix Pylint warnings

3 files changed, 6 insertions, 5 deletions

diff --git a/vk/tracking/db/backend/log.py b/vk/tracking/db/backend/log.py
index 1ea009b..814cabc 100644
--- a/vk/tracking/db/backend/log.py
+++ b/vk/tracking/db/backend/log.py
@@ -70,8 +70,7 @@ class Writer(meta.Writer):
     def _format_user(user):
         if user.has_last_name():
             return '{} {}'.format(user.get_first_name(), user.get_last_name())
-        else:
-            return '{}'.format(user.get_first_name())
+        return '{}'.format(user.get_first_name())
 
     @staticmethod
     def _format_user_is_online(user):
diff --git a/vk/tracking/db/record.py b/vk/tracking/db/record.py
index c03c3ca..dfd47c6 100644
--- a/vk/tracking/db/record.py
+++ b/vk/tracking/db/record.py
@@ -7,10 +7,11 @@ from collections import OrderedDict
 from collections.abc import MutableMapping
 from datetime import datetime
 
-from .timestamp import Timestamp
 from vk.last_seen import LastSeen, LastSeenField
 from vk.user import User, UserField
 
+from .timestamp import Timestamp
+
 class Record(MutableMapping):
     FIELDS = (
         UserField.UID,
@@ -95,6 +96,6 @@ class Record(MutableMapping):
                 self._update_user_field(user, field)
             else:
                 assert False
-        if len(last_seen):
+        if last_seen:
             user.set_last_seen(last_seen)
         return user
diff --git a/vk/tracking/status_tracker.py b/vk/tracking/status_tracker.py
index 0dba0f9..e1a3216 100644
--- a/vk/tracking/status_tracker.py
+++ b/vk/tracking/status_tracker.py
@@ -47,7 +47,8 @@ class StatusTracker:
     _USER_FIELDS = UserField.DOMAIN, UserField.ONLINE, UserField.LAST_SEEN,
 
     def _query_status(self, uids):
-        return {user.get_uid(): user for user in self._api.users_get(uids, self._USER_FIELDS, deactivated_users=False)}
+        user_list = self._api.users_get(uids, self._USER_FIELDS, deactivated_users=False)
+        return {user.get_uid(): user for user in user_list}
 
     def _notify_status(self, user):
         for fn in self._on_initial_status: