diff --git a/rcu/RCU.py b/rcu/RCU.py
index 98978660f16f68fa5f3d0a07de694fb1305b2e2d..886790cf945f9dd559b906472e3aaaec535d5d70 100644
--- a/rcu/RCU.py
+++ b/rcu/RCU.py
@@ -26,7 +26,7 @@ def bytes2int(bts):
    return x;
 def int2bytes(i):
    b=[];
-   while i>255: 
+   while i>255:
         b=[i%256]+b;
         i>>=8;
    return [i]+b;
@@ -95,7 +95,7 @@ class RCU1():
             mask=0;
             RCU0=-1;
             for RCUi in range(self.N):
-                 if (Mask[RCUi]): 
+                 if (Mask[RCUi]):
                       mask|=1<<Vars.RCU_MPaddr.Switch[RCUi]
                       if RCU0<0: RCU0=RCUi;
             if RCU0<0: return; #Mask all zero
@@ -171,7 +171,7 @@ class RCU1():
             Step=V1.nVars
             Step2=int(V1.size/V1.nVars)
             if V1.Vars[0].type==Vars.DevType.I2C:
-              for Vari in range(Step):  
+              for Vari in range(Step):
                 DevReg=V1.Vars[Vari].devreg
                 self.SWcallback(mask)
                 self.SetI2CAddr(self,DevReg)
@@ -191,7 +191,7 @@ class RCU1():
               self.GetBBValueAll(V1,value1,mask)
 #              logging.info("SPIbb all not implemented yet")
             elif V1.Vars[0].type==Vars.DevType.HBA1:
-              for Vari in range(Step):  
+              for Vari in range(Step):
                 var=V1.Vars[Vari]
 #                self.SWcallback(mask)
 #                self.SetI2CAddr(self,DevReg)
@@ -221,7 +221,7 @@ class RCU1():
         def GetBit(RCUixx,dev,width,bitoffset,buffer=False):
             value=[0 for RCUi in range(self.N)]
             value2=[0]
-            if buffer: 
+            if buffer:
                 for RCUi in range(self.N):
                   self.GetI2Cbuffer(RCUi,dev,width,bitoffset,value2)
                   value[RCUi]=value2[0]
@@ -279,7 +279,7 @@ class RCU1():
         self.I2Ccallback(0x40,XX,reg=0,read=1)#wakeup, do nothing
         self.I2Ccallback(dev.Addr,[10],read=3)
         self.I2Ccallback(dev.Addr,value[:16],reg=dev.Register_W)
-        if L>16: 
+        if L>16:
               self.I2Ccallback(dev.Addr,[10],read=3)
               self.I2Ccallback(dev.Addr,value[16:],reg=dev.Register_W+16)
         self.I2Ccallback(dev.Addr,[600],read=3) #Wait 500ms
@@ -291,15 +291,15 @@ class RCU1():
         value[0]=self.previous[RCUi,dev.store-1];
 #        logging.debug(str(("GetI2Cbuffer",RCUi,dev.store,value)))
         l1=int(np.floor((width+bitoffset+7)/8))
-        if (width!=l1*8) or (bitoffset>0): 
+        if (width!=l1*8) or (bitoffset>0):
           for i in range(len(value)):
-             value[i]=UnMask(value[i],width,bitoffset)      
+             value[i]=UnMask(value[i],width,bitoffset)
         return True
 
     def GetI2C(self,RCUi,dev,width,bitoffset,value):
 #        if dev.store>0:
 #            value[0]=self.previous[RCUi,dev.store-1]
-#        return True          
+#        return True
         l1=int(np.floor((width+bitoffset+7)/8))
 #        print(width,bitoffset,l1)
         makesinglevalue=((len(value)==1) and (l1>1));
@@ -318,9 +318,9 @@ class RCU1():
         if dev.store>0:
             self.previous[RCUi,dev.store-1]=value[0]
 #            logging.debug(str(("Store buffer",RCUi,dev.store,value[0])))
-        if (width!=l1*8) or (bitoffset>0): 
+        if (width!=l1*8) or (bitoffset>0):
             for i in range(len(value)):
-              value[i]=UnMask(value[i],width,bitoffset)      
+              value[i]=UnMask(value[i],width,bitoffset)
         else: value[0]=value2[0]
         return True;
     def GetI2Cbit(self,RCUi,dev,pin):
@@ -350,9 +350,9 @@ class RCU1():
 #            logging.debug(str(("Store buffer",RCUi,dev.store,value[0])))
 #        if width<8:
         if (width!=l1*8) or (bitoffset>0):
-            for i in range(len(value)): 
-              value[i]=UnMask(value[i],width,bitoffset)      
-#              value[0]=UnMask(value[0],width,bitoffset)      
+            for i in range(len(value)):
+              value[i]=UnMask(value[i],width,bitoffset)
+#              value[0]=UnMask(value[0],width,bitoffset)
         #else: value[0]=value2[0]
         #if (len(value)>1) and (width<8): print value
         return True;
@@ -368,8 +368,8 @@ class RCU1():
         print("HBA ",RCUi,dev.Addr," received:",value);
 #        if dev.store>0: #This is disabled due to noise on readback
 #            self.previousHBA[RCUi,dev.store-1]=value[:]
-        for i in range(len(value)): 
-              value[i]=UnMask(value[i],width,bitoffset)      
+        for i in range(len(value)):
+              value[i]=UnMask(value[i],width,bitoffset)
         return True;
 
 
@@ -385,15 +385,15 @@ class RCU1():
 
       RCUthread1 = threading.Thread(target=RCUthread, args=(Q1,))
       RCUthread1.start()
-      
-      return RCUthread1 
- 
+
+      return RCUthread1
+
     def Queue_Monitor(self,Q1,NRCU):
-	Inst1=Vars.Instr(Vars.DevType.VarUpdate,Vars.RCU_temp,NRCU,[0]*NRCU)
-	Q1.put(Inst1)
-	Inst1=Vars.Instr(Vars.DevType.VarUpdate,Vars.RCU_ADC_lock,96,[0]*96)
-	Q1.put(Inst1)
-	return 
+        Inst1=Vars.Instr(Vars.DevType.VarUpdate,Vars.RCU_temp,NRCU,[0]*NRCU)
+        Q1.put(Inst1)
+        Inst1=Vars.Instr(Vars.DevType.VarUpdate,Vars.RCU_ADC_lock,96,[0]*96)
+        Q1.put(Inst1)
+        return
     def AddVars(self,Q1,AddVarR,AddVarW,AddVar):
      self.statevar=AddVar("RCU_state_R","busy")
      for v in Vars.OPC_devvars:
@@ -404,7 +404,7 @@ class RCU1():
         varvalue2=0
         if   v.type==Vars.datatype.dInt:    varvalue2=dim2*[0]
         elif v.type==Vars.datatype.dbool:   varvalue2=dim2*[False]
-        elif v.type==Vars.datatype.dfloat:  varvalue2=dim2*[0.0] 
+        elif v.type==Vars.datatype.dfloat:  varvalue2=dim2*[0.0]
         elif v.type==Vars.datatype.dstring: varvalue2=dim1*[" "*dim3]
         print(len(varvalue2),varvalue2)
         if v.RW in [Vars.RW.ReadOnly,Vars.RW.ReadWrite]: