[Tests] Add pylint target to tox

tox.ini

@@ -116,6 +116,18 @@ deps =
 commands = flake8 --exit-zero --max-complexity 15 deluge
 
 
+[testenv:pylint]
+# Force pylint pip install to avoid using system installed version
+install_command = pip -v install --ignore-installed {opts} {packages}
+setenv = {[testenv]setenv}
+deps =
+    {[testenv]deps}
+    pylint
+commands =
+    pylint --version
+    pylint deluge
+
+
 ######################
 # Unit Test coverage
 ######################