Use Python 3 style super()

which is simpler and less fragile.

boxes/generators/agricolainsert.py

@@ -781,7 +781,7 @@ class MoorBoxSideEdge(edges.BaseEdge):
     """
 
     def __init__(self, boxes, corner_length, corner_height, lower_corner):
-        super(MoorBoxSideEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
         self.corner_height = corner_height
         self.lower_corner = lower_corner
         self.corner_length = corner_length
@@ -812,7 +812,7 @@ class MoorBoxHoleEdge(edges.BaseEdge):
     """
 
     def __init__(self, boxes, height, corner_height, lower_corner):
-        super(MoorBoxHoleEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
         self.height = height
         self.corner_height = corner_height
         self.lower_corner = lower_corner
@@ -864,7 +864,7 @@ class BedHeadEdge(edges.BaseEdge):
     """
 
     def __init__(self, boxes, hole_depth):
-        super(BedHeadEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
         self.hole_depth = hole_depth
 
     def __call__(self, length, **kw):
@@ -895,7 +895,7 @@ class Bed2SidesEdge(edges.BaseEdge):
     """
 
     def __init__(self, boxes, bed_length, full_head_length, full_foot_height):
-        super(Bed2SidesEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
         self.bed_length = bed_length
         self.full_head_length = full_head_length
         self.full_foot_height = full_foot_height
@@ -927,7 +927,7 @@ class NoopEdge(edges.BaseEdge):
     """
 
     def __init__(self, boxes):
-        super(NoopEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
 
     def __call__(self, length, **kw):
         # cancel turn

boxes/generators/dinrailbox.py

@@ -20,7 +20,7 @@ from boxes import *
 class DinRailEdge(edges.FingerHoleEdge):
 
     def __init__(self, boxes, settings, width=35.0, offset=0.0):
-        super(DinRailEdge, self).__init__(boxes, settings)
+        super().__init__(boxes, settings)
         self.width = width
         self.offset = offset
 

boxes/generators/dividertray.py

@@ -533,7 +533,7 @@ class DividerNotchesEdge(edges.BaseEdge):
 
     def __init__(self, boxes, sx):
 
-        super(DividerNotchesEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
 
         self.sx = sx
 
@@ -578,7 +578,7 @@ class DividerSlotsEdge(edges.BaseEdge):
 
     def __init__(self, boxes, descriptions):
 
-        super(DividerSlotsEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
 
         self.descriptions = descriptions
 

boxes/generators/phoneholder.py

@@ -214,7 +214,7 @@ class PhoneHolder(Boxes):
 
 class BottomEdge(edges.BaseEdge):
     def __init__(self, boxes, support_start_height, support_spacing):
-        super(BottomEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
         self.support_start_height = support_start_height
         self.support_spacing = support_spacing
 
@@ -242,7 +242,7 @@ class BottomEdge(edges.BaseEdge):
 
 class SideEdge(edges.BaseEdge):
     def __init__(self, boxes, tab_start, tab_length, reverse=False):
-        super(SideEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
         self.tab_start = tab_start
         self.tab_length = tab_length
         self.reverse = reverse
@@ -271,7 +271,7 @@ class SideEdge(edges.BaseEdge):
 
 class TabbedEdge(edges.BaseEdge):
     def __init__(self, boxes, tab_start, tab_length, tab_depth, reverse=False):
-        super(TabbedEdge, self).__init__(boxes, None)
+        super().__init__(boxes, None)
         self.tab_start = tab_start
         self.tab_length = tab_length
         self.tab_depth = tab_depth