fix pycodestyle config path

.gitlab-ci.yml

@@ -40,7 +40,7 @@ lint:py:
     needs: []
     script:
         - pip install pycodestyle
-        - pycodestyle --config=setup.cfg --count .
+        - pycodestyle --config=pycodestyle.cfg --count .
 
 lint:js:
     image: node:14

readme.md

@@ -94,7 +94,7 @@ Merge requests to `master` should be reviewed by multiple developers. Only a mod
 Lint python files using `pycodestyle` with
 
 ```bash
-pycodestyle --config=setup.cfg --count .
+pycodestyle --config=pycodestyle.cfg --count .
 ```
 
 Lint javascript and markdown using `eslint` and `remark` with