From 96f1356aeafbdc026846cdbe1bcfcbbbd0ab3a7c Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Sat, 3 Mar 2018 15:40:10 +0300
Subject: fix Pylint warnings

---
 vk/api.py                     | 10 +++++-----
 vk/last_seen.py               | 11 ++++-------
 vk/tracking/db/backend/log.py |  3 +--
 vk/tracking/db/record.py      |  5 +++--
 vk/tracking/status_tracker.py |  3 ++-
 vk/user.py                    |  3 +--
 6 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/vk/api.py b/vk/api.py
index 392d4b8..f9df904 100644
--- a/vk/api.py
+++ b/vk/api.py
@@ -33,7 +33,7 @@ def _filter_empty_params(params, empty_params=False):
 def _build_url(scheme, host, path, params=None, empty_params=False):
     if params is None:
         params = {}
-    if isinstance(params, Mapping) or isinstance(params, Iterable):
+    if isinstance(params, (Iterable, Mapping)):
         params = _filter_empty_params(params, empty_params)
         params = urllib.parse.urlencode(params)
     elif isinstance(params, str):
@@ -46,10 +46,9 @@ def _build_url(scheme, host, path, params=None, empty_params=False):
 def _join_param_values(values):
     if isinstance(values, str):
         return values
-    elif isinstance(values, Iterable):
+    if isinstance(values, Iterable):
         return ','.join(map(str, values))
-    else:
-        return values
+    return values
 
 def _join_path(base, url):
     if not base.endswith('/'):
@@ -113,7 +112,8 @@ class API:
         except (ConnectionError, URLError) as e:
             raise vk.error.APIConnectionError(str(e)) from e
 
-    def _filter_response_with_users(self, user_list, deactivated_users=True):
+    @staticmethod
+    def _filter_response_with_users(user_list, deactivated_users=True):
         user_list = map(User.from_api_response, user_list)
         if deactivated_users:
             return user_list
diff --git a/vk/last_seen.py b/vk/last_seen.py
index 5266940..25975f2 100644
--- a/vk/last_seen.py
+++ b/vk/last_seen.py
@@ -16,18 +16,16 @@ def _parse_time(x):
         if x.tzinfo is None or x.tzinfo.utcoffset(x) is None:
             x = x.replace(tzinfo=timezone.utc)
         return x
-    elif isinstance(x, Real) or isinstance(x, Integral):
+    if isinstance(x, (Integral, Real)):
         return datetime.fromtimestamp(x, tz=timezone.utc)
-    else:
-        raise TypeError()
+    raise TypeError()
 
 def _parse_platform(x):
     if x in Platform:
         return x
     if isinstance(x, str):
         return Platform.from_string(x)
-    else:
-        return Platform(x)
+    return Platform(x)
 
 class LastSeenField(Enum):
     TIME = 'time'
@@ -69,8 +67,7 @@ class LastSeen(MutableMapping):
     def parse(field, value):
         if field in LastSeen._FIELD_PARSERS:
             return LastSeen._FIELD_PARSERS[field](value)
-        else:
-            return LastSeen._DEFAULT_FIELD_PARSER(value)
+        return LastSeen._DEFAULT_FIELD_PARSER(value)
 
     _FIELD_PARSERS = {
         LastSeenField.TIME: _parse_time,
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:
diff --git a/vk/user.py b/vk/user.py
index 6261683..c3c997b 100644
--- a/vk/user.py
+++ b/vk/user.py
@@ -98,8 +98,7 @@ class User(Hashable, MutableMapping):
     def parse(field, value):
         if field in User._FIELD_PARSERS:
             return User._FIELD_PARSERS[field](value)
-        else:
-            return User._DEFAULT_FIELD_PARSER(value)
+        return User._DEFAULT_FIELD_PARSER(value)
 
     _FIELD_PARSERS = {
         UserField.UID: int,
-- 
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