diff --git a/fuel_tests/models/manager.py b/fuel_tests/models/manager.py
index 907d7a42a..c398b4ac1 100644
--- a/fuel_tests/models/manager.py
+++ b/fuel_tests/models/manager.py
@@ -12,6 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+# pylint: disable=redefined-builtin
+from six.moves import xrange
+# pylint: enable=redefined-builtin
+
 from fuelweb_test import logger
 from fuelweb_test import settings
 from fuelweb_test.helpers.decorators import create_diagnostic_snapshot
@@ -36,6 +40,7 @@ class Manager(Basic):
         if config_file:
             self._load_config()
         self._context = cls
+        self.assigned_slaves = set()
 
     def _cluster_from_template(self):
         """Create cluster from template file."""
@@ -241,12 +246,10 @@ class Manager(Basic):
             self.env.make_snapshot(snapshot_name, is_make=True)
             self.env.resume_environment()
             return True
-        else:
-            logger.error("Can't bootstrap nodes because release "
-                         "snapshot didn't revert")
-            return False
-            raise RuntimeError("Can't bootstrap nodes because release "
-                               "snapshot didn't revert")
+        logger.error(
+            "Can't bootstrap nodes because release snapshot didn't revert")
+        raise RuntimeError(
+            "Can't bootstrap nodes because release snapshot didn't revert")
 
     def get_ready_cluster(self, config=None):
         """Create and deploy cluster."""
diff --git a/fuel_tests/tests/conftest.py b/fuel_tests/tests/conftest.py
index 37ceb4ca5..4e1c4f76b 100644
--- a/fuel_tests/tests/conftest.py
+++ b/fuel_tests/tests/conftest.py
@@ -11,6 +11,7 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+from __future__ import division
 
 import time
 
@@ -24,6 +25,9 @@ from fuelweb_test import settings
 from system_test.core.discover import config_filter
 
 
+# pylint: disable=no-member
+
+
 @pytest.fixture(scope='session')
 def config_file(request):
     """Fixture which provide config for test."""
@@ -126,7 +130,9 @@ def pytest_runtest_teardown(item):
     step_name = item.function.__name__
     spent_time = time.time() - item._start_time
     minutes = spent_time // 60
+    # pylint: disable=round-builtin
     seconds = int(round(spent_time)) % 60
+    # pylint: enable=round-builtin
     finish_step = "FINISH {} STEP TOOK {} min {} sec".format(
         step_name, minutes, seconds)
     foot = "\n" + "<" * 5 + "#" * 30 + "[ {} ]" + "#" * 30 + ">" * 5
diff --git a/fuel_tests/tests/test_ceph.py b/fuel_tests/tests/test_ceph.py
index 15a539582..13422c67c 100644
--- a/fuel_tests/tests/test_ceph.py
+++ b/fuel_tests/tests/test_ceph.py
@@ -20,6 +20,9 @@ from fuelweb_test.helpers import checkers
 from fuelweb_test.helpers.ssh_manager import SSHManager
 
 
+# pylint: disable=no-member
+
+
 ssh_manager = SSHManager()
 
 
diff --git a/fuel_tests/tests/test_neutron.py b/fuel_tests/tests/test_neutron.py
index fc8ccf535..b07ac02f7 100644
--- a/fuel_tests/tests/test_neutron.py
+++ b/fuel_tests/tests/test_neutron.py
@@ -21,6 +21,9 @@ from fuelweb_test.helpers import os_actions
 from fuelweb_test.helpers.ssh_manager import SSHManager
 
 
+# pylint: disable=no-member
+
+
 ssh_manager = SSHManager()
 
 
diff --git a/tox.ini b/tox.ini
index 47c3cc738..e07bb4fc7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@
 
 [tox]
 skipsdist = True
-envlist = pep8, py27, pylint, docs, pep8-py{34,35}, pylint-py{27}-{fuelweb,system,gates}
+envlist = pep8, py27, pylint, docs, pep8-py{34,35}, pylint-py{27}-{fuelweb,system,gates,fuel}
 skip_missing_interpreters = True
 
 [testenv]
@@ -47,7 +47,7 @@ deps=
     -r{toxinidir}/fuelweb_test/requirements.txt
     pylint
 commands=
-    pylint --rcfile=.pylintrc_gerrit fuelweb_test system_test gates_tests
+    pylint --rcfile=.pylintrc_gerrit fuelweb_test system_test gates_tests fuel_tests
 
 
 [testenv:pylint-py27-fuelweb]
@@ -68,6 +68,13 @@ deps=
     pylint
 commands=pylint gates_tests
 
+[testenv:pylint-py27-fuel]
+deps=
+    -r{toxinidir}/fuelweb_test/requirements.txt
+    pylint
+commands=pylint fuel_tests
+
+
 [testenv:docs]
 changedir = doc
 deps =