diff --git a/tkchart/Line.py b/tkchart/Line.py
index 6f965c3..ce9f547 100644
--- a/tkchart/Line.py
+++ b/tkchart/Line.py
@@ -18,7 +18,7 @@ def __init__(self ,*args ,master=None ,color="#909090" ,size=1, style="line", st
       self.__style_type = style_type
  
 
-   def configure(self , color=None ,size=None, style=None, style_type=None) :
+   def configure(self , color=None ,size=None, style=None, style_type=None):
       if color != None:
          self.__color = color
       if size != None: