1 files changed, 6 insertions, 6 deletions

diff --git a/unit_trace/viz/viewer.py b/unit_trace/viz/viewer.py
index 5e707b8..fb31e8a 100644
--- a/unit_trace/viz/viewer.py
+++ b/unit_trace/viz/viewer.py
@@ -116,21 +116,21 @@ class GraphArea(gtk.DrawingArea):
 
     def get_schedule(self):
         return self.renderer.get_schedule()
-    
+
     def zoom_in(self):
         scale = self.scale + GraphArea.ZOOM_INCR
         if scale > GraphArea.MAX_ZOOM_IN:
             scale = GraphArea.MAX_ZOOM_IN
         self.set_scale(scale)
         self.config_scrollbars(self.cur_x, self.cur_y, self.scale)
-        
+
     def zoom_out(self):
         scale = self.scale - GraphArea.ZOOM_INCR
         if scale < GraphArea.MIN_ZOOM_OUT:
             scale = GraphArea.MIN_ZOOM_OUT
         self.set_scale(scale)
         self.config_scrollbars(self.cur_x, self.cur_y, self.scale)
-        
+
     def set_scale(self, scale):
         if scale == self.scale:
             return
@@ -145,7 +145,7 @@ class GraphArea(gtk.DrawingArea):
         value = max(value, self.horizontal.get_lower())
         value = min(value, self.horizontal.get_upper() - self.horizontal.get_page_size())
         self.horizontal.set_value(value)
-    
+
     def set_vvalue(self, value):
         if self.vertical is None:
             return
@@ -153,7 +153,7 @@ class GraphArea(gtk.DrawingArea):
         value = max(value, self.vertical.get_lower())
         value = min(value, self.vertical.get_upper() - self.vertical.get_page_size())
         self.vertical.set_value(value)
-            
+
     def set_scroll_adjustments(self, widget, horizontal, vertical, data=None):
         graph = self.renderer.get_graph()
         width = graph.get_width()
@@ -204,7 +204,7 @@ class GraphArea(gtk.DrawingArea):
                                 graph.get_attrs().y_item_size * GraphArea.VERT_PAGE_SCROLL_FACTOR / scale,
                                 self.height / scale)
             self.set_vvalue(vvalue)
-            
+
     def refresh_events(self, sender, new, old, replace):
         """Even if the selected areas change on one graph, they change
         everywhere, and different events might be in different regions on