diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index 9065b5e..e33c5be 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -1,10 +1,13 @@
-name: Lint
+name: Lint (Black code style)
 
 on: [push, pull_request]
 
 jobs:
-  lint:
+  black-code-style:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: psf/black@stable
+        with:
+          version: "23.3.0"
+
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index ceb4853..bbfed08 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -26,6 +26,6 @@ jobs:
         run:
           sudo apt-get update -y &&
           sudo apt-get install -y git python3-sphinx graphviz libenchant-2-2 &&
-          sudo pip install tox
+          sudo pip install tox pycups
       - name: Test doc build
         run: tox -e docs
diff --git a/src/escpos/escpos.py b/src/escpos/escpos.py
index 4ee6026..3460fce 100644
--- a/src/escpos/escpos.py
+++ b/src/escpos/escpos.py
@@ -592,7 +592,6 @@ class Escpos(object):
         text_distance=1,
         center=True,
     ):
-
         image_writer = ImageWriter()
 
         # Check if barcode type exists
diff --git a/test/test_function_set.py b/test/test_function_set.py
index 910450e..40bac64 100644
--- a/test/test_function_set.py
+++ b/test/test_function_set.py
@@ -255,7 +255,6 @@ def test_align_right():
 
 
 def test_densities():
-
     for density in range(8):
         instance = printer.Dummy()
         instance.set(density=density)