diff --git a/.github/workflows/run-formatting.yml b/.github/workflows/run-formatting.yml
index 3ce8412..4e41d84 100644
--- a/.github/workflows/run-formatting.yml
+++ b/.github/workflows/run-formatting.yml
@@ -1,6 +1,6 @@
 name: run-formatting
 run-name: Python files formatting
-on: [push]
+on: [pull-request]
 jobs:
   run-formatting:
     runs-on: ubuntu-latest
diff --git a/model.py b/model.py
index 2c5619c..df07d2e 100644
--- a/model.py
+++ b/model.py
@@ -1,8 +1,12 @@
 """This module contains the model class of the application."""
 import json
+
+
 from typing import List, Tuple
 
 from requests import Request, Session
+
+
 from wx import LogError, LogMessage