diff --git a/prometheuspvesd/client.py b/prometheuspvesd/client.py
index 2efff62..466ed2d 100644
--- a/prometheuspvesd/client.py
+++ b/prometheuspvesd/client.py
@@ -1,4 +1,5 @@
 """Proxmox Client."""
+
 import requests
 from prometheus_client import Counter
 
diff --git a/prometheuspvesd/test/unit/conftest.py b/prometheuspvesd/test/unit/conftest.py
index 18dafd2..8adfa78 100644
--- a/prometheuspvesd/test/unit/conftest.py
+++ b/prometheuspvesd/test/unit/conftest.py
@@ -1,4 +1,5 @@
 """Pytest conftest fixtures."""
+
 import logging
 import os
 import sys
diff --git a/prometheuspvesd/test/unit/test_cli.py b/prometheuspvesd/test/unit/test_cli.py
index af2f08f..b790871 100644
--- a/prometheuspvesd/test/unit/test_cli.py
+++ b/prometheuspvesd/test/unit/test_cli.py
@@ -1,4 +1,5 @@
 """Test CLI class."""
+
 import json
 
 import pytest
diff --git a/prometheuspvesd/test/unit/test_config.py b/prometheuspvesd/test/unit/test_config.py
index 835cd5f..0fcf4bf 100644
--- a/prometheuspvesd/test/unit/test_config.py
+++ b/prometheuspvesd/test/unit/test_config.py
@@ -1,4 +1,5 @@
 """Test Config class."""
+
 import pytest
 import ruamel.yaml
 
diff --git a/prometheuspvesd/test/unit/test_model.py b/prometheuspvesd/test/unit/test_model.py
index 7ab6c4a..26a63be 100644
--- a/prometheuspvesd/test/unit/test_model.py
+++ b/prometheuspvesd/test/unit/test_model.py
@@ -1,4 +1,5 @@
 """Test Host class."""
+
 import pytest
 
 from prometheuspvesd.model import Host