Use Flake8 for ./src folder

Author: aaltat

.github/workflows/CI.yml

@@ -22,6 +22,9 @@ jobs:
         python -m pip install --upgrade pip
         pip install -r requirements-dev.txt
         pip install robotframework==${{ matrix.rf-version }}
+    - name: Run flake8
+      run: |
+        flake8 --max-line-length=110 src/
     - name: Run unit tests
       run: |
         python utest/run.py

requirements-dev.txt

@@ -1,3 +1,4 @@
 pytest
 pytest-cov
 robotstatuschecker
+flake8

src/robotlibcore.py

@@ -28,6 +28,7 @@
     def keyword(name=None, tags=()):
         if callable(name):
             return keyword()(name)
+
         def decorator(func):
             func.robot_name = name
             func.robot_tags = tags