👷 Add a CI job for linting

.gitlab-ci.yml

@@ -0,0 +1,26 @@
+stages:
+  - lint
+
+variables:
+  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
+
+cache:
+  paths:
+    - .cache/pip
+    - /var/venv/
+
+lint:
+  image: python:3.8-slim
+  stage: lint
+  except:
+    - /^wip-.*$/
+    - /^old-.*$/
+    - pitchme
+  script:
+  - python -V
+  - apt-get update -qq && apt-get -qq -y install make python3-venv
+  - python3 -m venv /var/venv/
+  - source /var/venv/bin/activate
+  - pip install -r requirements.txt
+  - pip install -r requirements-dev.txt
+  - make --no-print-directory lint

main.py

@@ -15,7 +15,7 @@ import sys
 
 from pprint import pprint as pp
 
-from client import LDP_ALIAS, opnsrch_clt
+from client import LDP_ALIAS, opnsrch_clt  # pylint: disable=import-error
 
 
 class CustomFormatter(