Add pylint to tox and ci. (#808)

Author: janiversen

.github/workflows/ci.yml

@@ -179,6 +179,9 @@ jobs:
       fail-fast: false
       matrix:
         task:
+          - name: pylint
+            tox: pylint
+            continue_on_error: true
           - name: flake8
             tox: flake8
             continue_on_error: true

requirements-checks.txt

@@ -2,4 +2,4 @@
 flake8 >= 2.6.0
 flake8-docstrings >= 0.2.8
 pyflakes >= 1.2.3
-pylint
+pylint >=2.13.3

tox.ini

@@ -18,6 +18,16 @@ passenv =
 setenv =
     with_gmp=no
 
+[testenv:pylint]
+deps =
+    -r requirements-tests.txt
+    -r requirements-checks.txt
+    -r requirements-docs.txt
+    -r requirements.txt
+ignore_errors = true
+commands =
+    pylint doc examples pymodbus test
+
 [testenv:flake8]
 deps = -r requirements-checks.txt
 commands =
@@ -46,3 +56,6 @@ commands =
 exclude = .tox
 ignore = D211,D400,E731
 max-line-length = 120
+
+[pylint]
+