diff --git a/bin/bumppad b/bin/bumppad
--- a/bin/bumppad
+++ b/bin/bumppad
@@ -1,5 +1,5 @@
 #!bin/python
-from __future__ import division,nested_scopes
+from __future__ import division, nested_scopes
 import sys, time, math
 import Tkinter as tk
 
@@ -7,64 +7,82 @@ import run_local
 import light9.dmxclient as dmxclient
 from light9.TLUtility import make_attributes_from_args
 
-from light9.Submaster import Submaster,sub_maxes
+from light9.Submaster import Submaster, sub_maxes
+
 
 class pad(tk.Frame):
-    levs = None # Submaster : level
-    def __init__(self,master,root,mag):
-        make_attributes_from_args('master','mag')
-        tk.Frame.__init__(self,master)
-        self.levs={}
-        for xy,key,subname in [
-            ((1,1),'KP_Up','centered'),
-            ((1,3),"KP_Down",'third-c'),
-            ((0,2),'KP_Left','scoop-l'),
-            ((2,2),'KP_Right','scoop-r'),
-            ((1,0),'KP_Divide','cyc'),
-            ((0,3),"KP_End",'hottest'),
-            ((2,3),'KP_Next','deepblues'),
-            ((0,4),'KP_Insert',"zip_red"),
-            ((2,4),'KP_Delete',"zip_orange"),
-            ((3,1),'KP_Add','strobedim'),
-            ((3,3),'KP_Enter','zip_blue'),
-            ((1,2),'KP_Begin','scoop-c'),                            
-                        ]:
-            
+    levs = None  # Submaster : level
+
+    def __init__(self, master, root, mag):
+        make_attributes_from_args('master', 'mag')
+        tk.Frame.__init__(self, master)
+        self.levs = {}
+        for xy, key, subname in [
+            ((1, 1), 'KP_Up', 'centered'),
+            ((1, 3), "KP_Down", 'third-c'),
+            ((0, 2), 'KP_Left', 'scoop-l'),
+            ((2, 2), 'KP_Right', 'scoop-r'),
+            ((1, 0), 'KP_Divide', 'cyc'),
+            ((0, 3), "KP_End", 'hottest'),
+            ((2, 3), 'KP_Next', 'deepblues'),
+            ((0, 4), 'KP_Insert', "zip_red"),
+            ((2, 4), 'KP_Delete', "zip_orange"),
+            ((3, 1), 'KP_Add', 'strobedim'),
+            ((3, 3), 'KP_Enter', 'zip_blue'),
+            ((1, 2), 'KP_Begin', 'scoop-c'),
+        ]:
+
             sub = Submaster(subname)
-            self.levs[sub]=0
-            
-            l = tk.Label(self,font="arial 12 bold",anchor='w',height=2,
-                         relief='groove',bd=5,
-                         text="%s\n%s" % (key.replace('KP_',''),sub.name))
-            l.grid(column=xy[0],row=xy[1],sticky='news')
-            
-            root.bind("<KeyPress-%s>"%key,
-                      lambda ev,sub=sub: self.bumpto(sub,1))
-            root.bind("<KeyRelease-%s>"%key,
-                      lambda ev,sub=sub: self.bumpto(sub,0))
-    def bumpto(self,sub,lev):
-        now=time.time()
-        self.levs[sub]=lev*self.mag.get()
+            self.levs[sub] = 0
+
+            l = tk.Label(self,
+                         font="arial 12 bold",
+                         anchor='w',
+                         height=2,
+                         relief='groove',
+                         bd=5,
+                         text="%s\n%s" % (key.replace('KP_', ''), sub.name))
+            l.grid(column=xy[0], row=xy[1], sticky='news')
+
+            root.bind(
+                "<KeyPress-%s>" % key, lambda ev, sub=sub: self.bumpto(sub, 1))
+            root.bind("<KeyRelease-%s>" % key,
+                      lambda ev, sub=sub: self.bumpto(sub, 0))
+
+    def bumpto(self, sub, lev):
+        now = time.time()
+        self.levs[sub] = lev * self.mag.get()
         self.master.after_idle(self.output)
+
     def output(self):
-        dmx = sub_maxes(*[s*l for s,l in self.levs.items()]).get_dmx_list()
-        dmxclient.outputlevels(dmx,clientid="bumppad")
-        
-root=tk.Tk()
+        dmx = sub_maxes(*[s * l for s, l in self.levs.items()]).get_dmx_list()
+        dmxclient.outputlevels(dmx, clientid="bumppad")
+
+
+root = tk.Tk()
 root.tk_setPalette("maroon4")
 root.wm_title("bumppad")
 mag = tk.DoubleVar()
 
-tk.Label(root,text="Keypad press/release activate sub; 1..5 set mag",
-             font="Helvetica -12 italic",anchor='w').pack(side='bottom',fill='x')
-                      
-pad(root,root,mag).pack(side='left',fill='both',exp=1)
+tk.Label(root,
+         text="Keypad press/release activate sub; 1..5 set mag",
+         font="Helvetica -12 italic",
+         anchor='w').pack(side='bottom', fill='x')
+
+pad(root, root, mag).pack(side='left', fill='both', exp=1)
 
-magscl = tk.Scale(root,orient='vertical',from_=1,to=0,res=.01,
-                   showval=1,variable=mag,label='mag',relief='raised',bd=1)
-for i in range(1,6):
-    root.bind("<Key-%s>"%i,lambda ev,i=i: mag.set(math.sqrt((i )/5)))
-magscl.pack(side='left',fill='y')
-
+magscl = tk.Scale(root,
+                  orient='vertical',
+                  from_=1,
+                  to=0,
+                  res=.01,
+                  showval=1,
+                  variable=mag,
+                  label='mag',
+                  relief='raised',
+                  bd=1)
+for i in range(1, 6):
+    root.bind("<Key-%s>" % i, lambda ev, i=i: mag.set(math.sqrt((i) / 5)))
+magscl.pack(side='left', fill='y')
 
 root.mainloop()