fix #38

Author: Bill Janssen

backend_kivy.py

@@ -553,7 +553,7 @@ def get_graphics(self, gc, polygons, points_line, rgbFace, closed=False):
                         mode=str("triangle_fan")
                     ))
         instruction_group.add(Color(*gc.get_rgb()))
-        if _mpl_ge_1_5 and not _mpl_ge_2_0 and closed:
+        if _mpl_ge_1_5 and (not _mpl_ge_2_0) and closed:
             points_poly_line = points_line[:-2]
         else:
             points_poly_line = points_line
@@ -562,7 +562,7 @@ def get_graphics(self, gc, polygons, points_line, rgbFace, closed=False):
                 width=int(gc.line['width'] / 2),
                 dash_length=gc.line['dash_length'],
                 dash_offset=gc.line['dash_offset'],
-                dash_joint=gc.line['joint_style'],
+                dash_joint=gc.line['join_style'],
                 dash_list=gc.line['dash_list']))
         return instruction_group
 
@@ -944,7 +944,7 @@ def __init__(self, renderer):
         super(GraphicsContextKivy, self).__init__()
         self.renderer = renderer
         self.line['cap_style'] = self.get_capstyle()
-        self.line['joint_style'] = self.get_joinstyle()
+        self.line['join_style'] = self.get_joinstyle()
         self.line['dash_offset'] = None
         self.line['dash_length'] = None
         self.line['dash_list'] = []