Fix Workflow Actions flake8 (future3) (#1989)

* flake8 Version pin >= 4.0.0

* flake8 corrections

* update action versions

* Updated pyton version matrix

Pythen versions 3.7 - 3.11 added
add quotation for correct intpretation

.github/workflows/pythonpackage_future3.yml

@@ -23,12 +23,12 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.7, 3.9]
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

requirements.txt

@@ -28,7 +28,7 @@ sphinx
 sphinx_rtd_theme
 
 # Code quality
-flake8
+flake8>=4.0.0
 pytest
 mock
 

src/jukebox/components/battery_monitor/BatteryMonitorBase.py

@@ -116,7 +116,7 @@ def get_batt_voltage(self):
 
     @plugs.tag
     def get_batt_status(self):
-        return(self.batt_status)
+        return (self.batt_status)
 
     def publish_status(self):
         batt_voltage_mV_raw = self.get_batt_voltage()

src/jukebox/jukebox/playlistgenerator.py

@@ -202,7 +202,7 @@ def __init__(self, music_library_base_path='/'):
         self.special_handlers = {'livestream.txt': decode_livestream,
                                  'podcast.txt': decode_podcast,
                                  # Ignore all other .txt files
-                                 '.txt': lambda f, p, l: None,
+                                 '.txt': lambda _f, _p, _l: None,
                                  '.m3u': decode_m3u}
         self.default_handler = decode_musicfile