diff --git a/fury/ui/tests/test_containers.py b/fury/ui/tests/test_containers.py
index a8cebf6c6..03b2b478a 100644
--- a/fury/ui/tests/test_containers.py
+++ b/fury/ui/tests/test_containers.py
@@ -255,56 +255,57 @@ def test_ui_tab_ui_top(interactive=False):
     expected_events_counts_filename = pjoin(DATA_DIR, filename + '.json')
 
     tab_ui = ui.TabUI(
-        position=(50, 50), size=(300, 300), nb_tabs=3, draggable=True, tabBar_pos="top")
+        position=(50, 50), size=(300, 300), nb_tabs=3, draggable=True,
+        tabBar_pos="top")
 
     tab_ui.tabs[0].title = 'Tab 1'
     tab_ui.tabs[1].title = 'Tab 2'
     tab_ui.tabs[2].title = 'Tab 3'
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_bold, False)
     npt.assert_equal(tab_ui.tabs[1].title_bold, False)
     npt.assert_equal(tab_ui.tabs[2].title_bold, False)
-    
+
     tab_ui.tabs[0].title_bold = True
     tab_ui.tabs[1].title_bold = False
     tab_ui.tabs[2].title_bold = True
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_bold, True)
     npt.assert_equal(tab_ui.tabs[1].title_bold, False)
     npt.assert_equal(tab_ui.tabs[2].title_bold, True)
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_color, (.0, .0, .0))
     npt.assert_equal(tab_ui.tabs[1].title_color, (.0, .0, .0))
     npt.assert_equal(tab_ui.tabs[2].title_color, (.0, .0, .0))
-    
+
     tab_ui.tabs[0].title_color = (1, 0, 0)
     tab_ui.tabs[1].title_color = (0, 1, 0)
     tab_ui.tabs[2].title_color = (0, 0, 1)
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_color, (1., .0, .0))
     npt.assert_equal(tab_ui.tabs[1].title_color, (.0, 1., .0))
     npt.assert_equal(tab_ui.tabs[2].title_color, (.0, .0, 1.))
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_font_size, 18)
     npt.assert_equal(tab_ui.tabs[1].title_font_size, 18)
     npt.assert_equal(tab_ui.tabs[2].title_font_size, 18)
-    
+
     tab_ui.tabs[0].title_font_size = 10
     tab_ui.tabs[1].title_font_size = 20
     tab_ui.tabs[2].title_font_size = 30
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_font_size, 10)
     npt.assert_equal(tab_ui.tabs[1].title_font_size, 20)
     npt.assert_equal(tab_ui.tabs[2].title_font_size, 30)
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_italic, False)
     npt.assert_equal(tab_ui.tabs[1].title_italic, False)
     npt.assert_equal(tab_ui.tabs[2].title_italic, False)
-    
+
     tab_ui.tabs[0].title_italic = False
     tab_ui.tabs[1].title_italic = True
     tab_ui.tabs[2].title_italic = False
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_italic, False)
     npt.assert_equal(tab_ui.tabs[1].title_italic, True)
     npt.assert_equal(tab_ui.tabs[2].title_italic, False)
@@ -361,62 +362,64 @@ def tab_change(tab_ui):
     npt.assert_equal(11, next(changes))
     npt.assert_equal(5, next(collapses))
 
+
 def test_ui_tab_ui_bottom(interactive=False):
     filename = 'test_ui_tab_ui_bottom'
     recording_filename = pjoin(DATA_DIR, filename + '.log.gz')
     expected_events_counts_filename = pjoin(DATA_DIR, filename + '.json')
 
     tab_ui = ui.TabUI(
-        position=(50, 50), size=(300, 300), nb_tabs=3, draggable=True, tabBar_pos="bottom")
+        position=(50, 50), size=(300, 300), nb_tabs=3, draggable=True,
+        tabBar_pos="bottom")
 
     tab_ui.tabs[0].title = 'Tab 1'
     tab_ui.tabs[1].title = 'Tab 2'
     tab_ui.tabs[2].title = 'Tab 3'
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_bold, False)
     npt.assert_equal(tab_ui.tabs[1].title_bold, False)
     npt.assert_equal(tab_ui.tabs[2].title_bold, False)
-    
+
     tab_ui.tabs[0].title_bold = True
     tab_ui.tabs[1].title_bold = False
     tab_ui.tabs[2].title_bold = True
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_bold, True)
     npt.assert_equal(tab_ui.tabs[1].title_bold, False)
     npt.assert_equal(tab_ui.tabs[2].title_bold, True)
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_color, (.0, .0, .0))
     npt.assert_equal(tab_ui.tabs[1].title_color, (.0, .0, .0))
     npt.assert_equal(tab_ui.tabs[2].title_color, (.0, .0, .0))
-    
+
     tab_ui.tabs[0].title_color = (1, 0, 0)
     tab_ui.tabs[1].title_color = (0, 1, 0)
     tab_ui.tabs[2].title_color = (0, 0, 1)
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_color, (1., .0, .0))
     npt.assert_equal(tab_ui.tabs[1].title_color, (.0, 1., .0))
     npt.assert_equal(tab_ui.tabs[2].title_color, (.0, .0, 1.))
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_font_size, 18)
     npt.assert_equal(tab_ui.tabs[1].title_font_size, 18)
     npt.assert_equal(tab_ui.tabs[2].title_font_size, 18)
-    
+
     tab_ui.tabs[0].title_font_size = 10
     tab_ui.tabs[1].title_font_size = 20
     tab_ui.tabs[2].title_font_size = 30
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_font_size, 10)
     npt.assert_equal(tab_ui.tabs[1].title_font_size, 20)
     npt.assert_equal(tab_ui.tabs[2].title_font_size, 30)
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_italic, False)
     npt.assert_equal(tab_ui.tabs[1].title_italic, False)
     npt.assert_equal(tab_ui.tabs[2].title_italic, False)
-    
+
     tab_ui.tabs[0].title_italic = False
     tab_ui.tabs[1].title_italic = True
     tab_ui.tabs[2].title_italic = False
-    
+
     npt.assert_equal(tab_ui.tabs[0].title_italic, False)
     npt.assert_equal(tab_ui.tabs[1].title_italic, True)
     npt.assert_equal(tab_ui.tabs[2].title_italic, False)
@@ -471,4 +474,4 @@ def tab_change(tab_ui):
 
     npt.assert_equal(0, tab_ui.active_tab_idx)
     npt.assert_equal(11, next(changes))
-    npt.assert_equal(4, next(collapses))
\ No newline at end of file
+    npt.assert_equal(4, next(collapses))