diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..d99b703
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,25 @@
+version: 2
+updates:
+  - package-ecosystem: pip
+    directory: "/"
+    schedule:
+      interval: daily
+    target-branch: develop
+    reviewers:
+      - VadVergasov
+    assignees:
+      - VadVergasov
+    allow:
+      - dependency-type: direct
+      - dependency-type: indirect
+    ignore:
+      - dependency-name: "idna"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: daily
+    target-branch: develop
+    reviewers:
+      - VadVergasov
+    assignees:
+      - VadVergasov
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
new file mode 100644
index 0000000..84611e8
--- /dev/null
+++ b/.github/workflows/codeql-analysis.yml
@@ -0,0 +1,33 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+  pull_request:
+    branches:
+      - master
+      - develop
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["python"]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v1
+        with:
+          languages: ${{ matrix.language }}
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v1
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v1
diff --git a/.github/workflows/codestyle.yml b/.github/workflows/codestyle.yml
index 2bca66f..701c288 100644
--- a/.github/workflows/codestyle.yml
+++ b/.github/workflows/codestyle.yml
@@ -24,8 +24,6 @@ jobs:
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 16cbac6..00eb41e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -5,6 +5,8 @@ on:
     branches:
       - master
       - develop
+    tags:
+      - "*"
   pull_request:
     branches:
       - master
@@ -17,6 +19,8 @@ jobs:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9]
     steps:
+      - name: Print Github refs
+        run: echo ${{github.ref}}
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
@@ -27,8 +31,6 @@ jobs:
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip wheel
diff --git a/codeforces_api/__init__.py b/codeforces_api/__init__.py
index 8d49965..d14a144 100644
--- a/codeforces_api/__init__.py
+++ b/codeforces_api/__init__.py
@@ -15,7 +15,7 @@
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """
 __all__ = ["CodeforcesApi", "CodeforcesApiRequestMaker", "CodeforcesParser"]
-from codeforces_api.api_requests import CodeforcesApi
 from codeforces_api.api_request_maker import CodeforcesApiRequestMaker
+from codeforces_api.api_requests import CodeforcesApi
 from codeforces_api.parse_methods import CodeforcesParser
 from codeforces_api.types import *
diff --git a/codeforces_api/api_request_maker.py b/codeforces_api/api_request_maker.py
index bbb0f31..178dae5 100644
--- a/codeforces_api/api_request_maker.py
+++ b/codeforces_api/api_request_maker.py
@@ -14,11 +14,11 @@
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """
-import random
-import time
-import hashlib
 import collections
+import hashlib
 import json
+import random
+import time
 
 
 class CodeforcesApiRequestMaker:
@@ -116,5 +116,6 @@ def get_response(self, request):
             return response["result"]
         except json.decoder.JSONDecodeError as error:
             raise ValueError(
-                "A lot of users, try to reduce the number of users in the list"
+                "A lot of users, try to reduce the number of users in the list.\nError: %s.\nResponse text: %s"
+                % (str(error), request.text)
             )
diff --git a/codeforces_api/api_requests.py b/codeforces_api/api_requests.py
index a31906c..33e21c9 100644
--- a/codeforces_api/api_requests.py
+++ b/codeforces_api/api_requests.py
@@ -18,17 +18,17 @@
 
 from codeforces_api.api_request_maker import CodeforcesApiRequestMaker
 from codeforces_api.types import (
-    User,
     BlogEntry,
     Comment,
-    RecentAction,
-    RatingChange,
     Contest,
+    Hack,
     Problem,
     ProblemStatistic,
-    Submission,
-    Hack,
     RanklistRow,
+    RatingChange,
+    RecentAction,
+    Submission,
+    User,
 )
 
 
diff --git a/codeforces_api/parse_methods.py b/codeforces_api/parse_methods.py
index d459d71..6a374b5 100644
--- a/codeforces_api/parse_methods.py
+++ b/codeforces_api/parse_methods.py
@@ -16,6 +16,7 @@
 """
 import requests
 from lxml import html
+
 from codeforces_api.api_requests import CodeforcesApi
 
 
diff --git a/codeforces_api/version.py b/codeforces_api/version.py
index ff6ef86..962c851 100644
--- a/codeforces_api/version.py
+++ b/codeforces_api/version.py
@@ -1 +1 @@
-__version__ = "2.0.6"
+__version__ = "2.0.7"
diff --git a/requirements.txt b/requirements.txt
index 3c08442..a82ce15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ docutils==0.16
 idna==2.10
 importlib-metadata==3.7.3
 iniconfig==1.1.1
-isort==5.7.0
+isort==5.8.0
 keyring==23.0.0
 lazy-object-proxy==1.5.2
 lxml==4.6.2
diff --git a/tests/conftest.py b/tests/conftest.py
index 57ba6c2..ac13b07 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -27,3 +27,29 @@ def api_key(request):
 @pytest.fixture
 def api_secret(request):
     return request.config.getoption("--api_secret")
+
+
+@pytest.fixture
+def check_user():
+    def check(user):
+        assert user.email is None or isinstance(user.email, str)
+        assert user.open_id is None or isinstance(user.open_id, str)
+        assert user.first_name is None or isinstance(user.first_name, str)
+        assert user.last_name is None or isinstance(user.last_name, str)
+        assert user.country is None or isinstance(user.country, str)
+        assert user.vk_id is None or isinstance(user.vk_id, str)
+        assert user.country is None or isinstance(user.country, str)
+        assert user.city is None or isinstance(user.city, str)
+        assert user.organization is None or isinstance(user.organization, str)
+        assert isinstance(user.contribution, int)
+        assert user.rank is None or isinstance(user.rank, str)
+        assert user.rating is None or isinstance(user.rating, int)
+        assert user.max_rank is None or isinstance(user.max_rank, str)
+        assert user.max_rating is None or isinstance(user.max_rating, int)
+        assert isinstance(user.last_online, int)
+        assert isinstance(user.registration_time_seconds, int)
+        assert isinstance(user.friend_of_count, int)
+        assert isinstance(user.avatar, str)
+        assert isinstance(user.title_photo, str)
+
+    return check
diff --git a/tests/test_api.py b/tests/test_api.py
index 9f015eb..2637d9e 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -270,54 +270,18 @@ def test_user_friends(api_key, api_secret):
     assert "aropan" in friends or "gepardo" in friends
 
 
-def test_user_info(api_key, api_secret):
+def test_user_info(api_key, api_secret, check_user):
     api = CodeforcesApi(api_key, api_secret)
     info = api.user_info(["VadVergasov", "tourist"])
     for user in info:
-        assert user.email is None or isinstance(user.email, str)
-        assert user.open_id is None or isinstance(user.open_id, str)
-        assert user.first_name is None or isinstance(user.first_name, str)
-        assert user.last_name is None or isinstance(user.last_name, str)
-        assert user.country is None or isinstance(user.country, str)
-        assert user.vk_id is None or isinstance(user.vk_id, str)
-        assert user.country is None or isinstance(user.country, str)
-        assert user.city is None or isinstance(user.city, str)
-        assert user.organization is None or isinstance(user.organization, str)
-        assert isinstance(user.contribution, int)
-        assert user.rank is None or isinstance(user.rank, str)
-        assert user.rating is None or isinstance(user.rating, int)
-        assert user.max_rank is None or isinstance(user.max_rank, str)
-        assert user.max_rating is None or isinstance(user.max_rating, int)
-        assert isinstance(user.last_online, int)
-        assert isinstance(user.registration_time_seconds, int)
-        assert isinstance(user.friend_of_count, int)
-        assert isinstance(user.avatar, str)
-        assert isinstance(user.title_photo, str)
-
-
-def test_user_rated_list():
+        check_user(user)
+
+
+def test_user_rated_list(check_user):
     api = CodeforcesApi()
     users = api.user_rated_list(True)
     for user in users:
-        assert user.email is None or isinstance(user.email, str)
-        assert user.open_id is None or isinstance(user.open_id, str)
-        assert user.first_name is None or isinstance(user.first_name, str)
-        assert user.last_name is None or isinstance(user.last_name, str)
-        assert user.country is None or isinstance(user.country, str)
-        assert user.vk_id is None or isinstance(user.vk_id, str)
-        assert user.country is None or isinstance(user.country, str)
-        assert user.city is None or isinstance(user.city, str)
-        assert user.organization is None or isinstance(user.organization, str)
-        assert isinstance(user.contribution, int)
-        assert user.rank is None or isinstance(user.rank, str)
-        assert user.rating is None or isinstance(user.rating, int)
-        assert user.max_rank is None or isinstance(user.max_rank, str)
-        assert user.max_rating is None or isinstance(user.max_rating, int)
-        assert isinstance(user.last_online, int)
-        assert isinstance(user.registration_time_seconds, int)
-        assert isinstance(user.friend_of_count, int)
-        assert isinstance(user.avatar, str)
-        assert isinstance(user.title_photo, str)
+        check_user(user)
 
 
 def test_user_rating():