fix: update cli.py and test_cli.py

setup.py

 """Set up project."""
-from setuptools import setup, find_packages
 from pathlib import Path
+from setuptools import setup, find_packages
 
 project_root_dir = Path(__file__).parent.resolve()
 with open(project_root_dir / "requirements.txt",
           "r", encoding="utf-8") as f:
     INSTALL_REQUIRES = f.read().splitlines()
 
-url = 'https://git.scicore.unibas.ch/zavolan_group/tools/terminal-fragment-selector'
+URL = ('https://git.scicore.unibas.ch/zavolan_group/'
+       'tools/terminal-fragment-selector')
 
 setup(
     name='terminal-fragment-selector',
     version='0.1.1',
-    url=url,
+    url=URL,
     license='MIT',
     author='Hugo Madge Leon, Sunho Kim, Tanya Nandan',
     author_email='hmadge@ethz.ch',

tests/test_cli.py

@@ -27,5 +27,5 @@ def test_file():
 
 def test_main():
     """Test main() function."""
-    with pytest.raises(TypeError):
-        main("")
+    with pytest.raises(SystemExit):
+        main()