diff --git a/tests/test_flatland_env_sparse_rail_generator.py b/tests/test_flatland_env_sparse_rail_generator.py
index 86e02c75537ff224023a5d4cefd4ec7a6002022a..629372131296069813e73e9d81b0dc98dbf292a5 100644
--- a/tests/test_flatland_env_sparse_rail_generator.py
+++ b/tests/test_flatland_env_sparse_rail_generator.py
@@ -15,10 +15,12 @@ def test_realistic_rail_generator(vizualization_folder_name=None):
                       number_of_agents=num_agents,
                       obs_builder_object=GlobalObsForRailEnv())
         # reset to initialize agents_static
-        env_renderer = RenderTool(env, gl="PILSVG", agent_render_variant=AgentRenderVariant.ONE_STEP_BEHIND, screen_height=1200,
+        env_renderer = RenderTool(env, gl="PILSVG", agent_render_variant=AgentRenderVariant.ONE_STEP_BEHIND,
+                                  screen_height=1200,
                                   screen_width=1600)
         env_renderer.render_env(show=True, show_observations=True, show_predictions=False)
 
+
 def test_sparse_rail_generator():
     env = RailEnv(width=50,
                   height=50,
@@ -36,4 +38,3 @@ def test_sparse_rail_generator():
     # reset to initialize agents_static
     env_renderer = RenderTool(env, gl="PILSVG", )
     env_renderer.render_env(show=True, show_observations=True, show_predictions=False)
-