[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

viz.py

@@ -8,34 +8,34 @@ def find_viz_files(directory):
     viz_files = []
     for root, _, files in os.walk(directory):
         for file in files:
-            if file in ['app.py', 'viz.py']:
+            if file in ["app.py", "viz.py"]:
                 viz_files.append(os.path.join(root, file))
     return viz_files
 
 
 def run_solara_app(file_path):
-    process = subprocess.Popen(['solara', 'run', file_path])
+    process = subprocess.Popen(["solara", "run", file_path])
     time.sleep(5)  # Wait for the app to start
     return process
 
 
 def send_step_command(times=1):
     for _ in range(times):
-        subprocess.run(['xdotool', 'key', 'space'])
+        subprocess.run(["xdotool", "key", "space"])
         time.sleep(0.5)
 
 
 def send_pause_command():
-    subprocess.run(['xdotool', 'key', 'p'])
+    subprocess.run(["xdotool", "key", "p"])
     time.sleep(0.5)
 
 
 def send_reset_command():
-    subprocess.run(['xdotool', 'key', 'r'])
+    subprocess.run(["xdotool", "key", "r"])
     time.sleep(0.5)
 
 
-@pytest.mark.parametrize('viz_file', find_viz_files('examples'))
+@pytest.mark.parametrize("viz_file", find_viz_files("examples"))
 def test_viz_app(viz_file):
     process = run_solara_app(viz_file)
 
@@ -66,5 +66,5 @@ def test_viz_app(viz_file):
         process.wait()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     pytest.main([__file__])