diff --git a/.github/workflows/ruff.yml b/.github/workflows/ruff.yml
new file mode 100644
index 0000000..61a66d9
--- /dev/null
+++ b/.github/workflows/ruff.yml
@@ -0,0 +1,30 @@
+name: tests
+
+on:
+  push:
+    branches: [ "kolo" ]
+  pull_request:
+    branches: [ "kolo" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "3.13"
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install ruff
+
+    - name: Run linter
+      run: ruff check ./argenta
diff --git a/argenta/command/models.py b/argenta/command/models.py
index 5996166..abef482 100644
--- a/argenta/command/models.py
+++ b/argenta/command/models.py
@@ -83,7 +83,8 @@ class InputCommand(BaseCommand, Generic[InputCommandType]):
 
             if current_flag_name:
                 if not len(list_of_tokens) == k+1:
-                    if not list_of_tokens[k+1].startswith('-'): continue
+                    if not list_of_tokens[k+1].startswith('-'):
+                        continue
 
                 input_flag = InputFlag(name=current_flag_name[current_flag_name.rfind('-')+1:],
                                        prefix=cast(Literal['-', '--', '---'],