Audio support for PyRadmon

Problem with audio port => geiger 1:

	'float' object is not iterable 

Exiting

...
self.amplitudebuffer=None
        self.envelope = float(0)
        self.detectwidthcounter = 0
        self.lastrisingedge = float(0)
        self.lastfallingedge = float(0)
        self.lastdeadtimeedge = float(0)
        self.lastminwidthedge = float(0)
        self.last = False
        self.onecaptured = False
        self.deadticker = 1
        cpm=25
        stream = self.p.open(format=self.FORMAT, channels=self.CHANNELS, rate=self.RATE, input=True, frames_per_buffer=self.CHUNK)
        frames = []
        for i in range(0, int(self.RATE / self.CHUNK * self.RECORD_SECONDS)):
            dataAudio = stream.read(self.CHUNK)
            frames.append(dataAudio)
        try:
            bytesrecorded = self.CHUNK * self.RECORD_SECONDS
            
            sampletime = float(float(1.0) / float(self.RATE))
            detectlevel = float(0.025)
            
            minwidth = int(math.fsum((float(5) / float(1000)) / sampletime))
            deadtime = int(math.fsum((float(5) / float(1000)) / sampletime))
            
            radcount = 0
            
            self.lastrisingedge = -1
            self.lastfallingedge = -1
            self.lastdeadtimeedge = -1
            self.lastminwidthedge = -1

            arrayptr = 0

            value = 0.0
            attack = 0.001
            release = 0.004
            ga = math.exp(-1 / (self.RATE * attack))
            gr = math.exp(-1 / (self.RATE * release))

            self.onecaptured = False

            svalue=0
            for n in range(0, bytesrecorded):
                # get your data into 'input'
                svalue = (frames[n + 1] < 8) or frames[n] # Used to be svalue = (short)((e.Buffer[n + 1] << 8) | e.Buffer[n]);

                if svalue == (-32768):
                    svalue = (-32767)

                if svalue > 0:
                    value = math.fabs(svalue) / float(32767)

                if svalue < 0:
                    value = math.fabs(svalue) / float(32768)

                if self.envelope < value:
                    self.envelope *= ga
                    self.envelope += (1.0 - ga) * value
                else:
                    self.envelope *= gr
                    self.envelope += (1.0 - gr) * value
                    
                self.amplitudebuffer[arrayptr] = math.floor(self.envelope)
                
                if self.amplitudebuffer[arrayptr] >= detectlevel:
                    if self.detectwidthcounter == 0:
                        self.lastrisingedge = arrayptr * sampletime
                    self.detectwidthcounter = self.detectwidthcounter + 1
                    if self.detectwidthcounter >= minwidth:
                        radcount = radcount + 1
                        self.onecaptured = True
                        self.lastminwidthedge = arrayptr * sampletime
                    self.last = True
                else:
                    if self.last==True:
                        self.lastfallingedge = arrayptr * sampletime
                        self.deadticker = deadtime
                    self.detectwidthcounter = 0
                    self.deadticker = self.deadticker - 1
                    self.last = False
                if self.deadticker == 0:
                    self.lastdeadtimeedge = arrayptr * sampletime
                arrayptr = arrayptr + 1

                n = n + 2
		
                cpm = radcount
		
        except Exception as ex:
            print "Problem with audio port => geiger 1:\r\n\t", str(ex),"\r\nExiting\r\n"
            stream.stop_stream()
            stream.close()
            self.p.terminate()
            self.stop()
            sys.exit(1)
...