diff --git a/Python/sock.py b/Python/sock.py
index ac1f8d1..534e34c 100644
--- a/Python/sock.py
+++ b/Python/sock.py
@@ -101,33 +101,32 @@ def sendDMX(data):
 	global DMXRDM
 	global DMXSLP
     
+	# UART configuration and definition
+	DMXSER = serial.Serial('/dev/serial0', baudrate=250000, timeout=(DMXSLP/1000.0), stopbits=serial.STOPBITS_TWO, bytesize=8)
+
 	while True:
-		with serial.Serial('/dev/serial0', baudrate=250000, timeout=(DMXSLP/1000.0), stopbits=serial.STOPBITS_TWO, bytesize=8) as DMXSER:# UART configuration and definition
-			#DMXSER.cancel_read()
-
-			# GPIO_18 to switch RS-485 driver (IC1) to TX-mode
-			GPIO.output(18, GPIO.HIGH)
-
-			# send reset
-			DMXSER.send_break(DMXRST / 1000000.0)
-
-			# break-time
-			time.sleep(DMXBRK / 1000000.0)
-
-			# send complete data array
-			DMXSER.write(bytearray(DMXDATA))
-
-
-
-
-			# GPIO_18 to switch RS-485 driver (IC1) to RX-mode
-			DMXSER.reset_input_buffer()
-			GPIO.output(18, GPIO.LOW)
-
-			# Sleep between TX packages, use time to get RDM packages            
-			print("start read for ", DMXSLP, "ms")
-			DMXRDM = DMXSER.read(400)
-			print("end read, input is ", DMXRDM)
+		DMXSER.reset_input_buffer()
+		GPIO.output(18, GPIO.LOW)
+		
+		wr = bytearray(DMXDATA)
+		
+		print("start read for ", DMXSLP, "ms")
+		DMXRDM = DMXSER.read(400)
+		print("end read, input is ", DMXRDM)
+		
+		# GPIO_18 to switch RS-485 driver (IC1) to TX-mode
+		GPIO.output(18, GPIO.HIGH)
+		
+		# send reset
+		DMXSER.send_break(DMXRST / 1000000.0)
+		
+		# break-time
+		time.sleep(DMXBRK / 1000000.0)
+		
+		# send complete data array
+		DMXSER.write(wr)
+		  
+