diff --git a/x.py b/x.py
index 63b8347..8c072e9 100644
--- a/x.py
+++ b/x.py
@@ -3,26 +3,26 @@ import usb.util
 import time
 import RPi.GPIO as GPIO
 
-USB_IF      = 0 # Interface
-USB_TIMEOUT = 5 # Timeout in MS
+USB_IF = 0  # Interface
+USB_TIMEOUT = 5  # Timeout in MS
 
-SLEEP_TIME = 0.05
+SLEEP_TIME = 0.01
 
-BTN_LEFT  = 4
+BTN_LEFT = 4
 BTN_RIGHT = 8
-BTN_DOWN  = 2
-BTN_UP    = 1
-BTN_STOP  = 44 # Space
-BTN_EXIT  = 32 # ESC
+BTN_DOWN = 2
+BTN_UP = 1
+BTN_STOP = 44  # Space
+BTN_EXIT = 32  # ESC
 
-USB_VENDOR  = 0x045e # Rii
-USB_PRODUCT = 0x028e # Mini Wireless Keyboard
+USB_VENDOR = 0x045E  # Rii
+USB_PRODUCT = 0x028E  # Mini Wireless Keyboard
 
-ForwardRight=20
-BackwardRight=26
+ForwardRight = 20
+BackwardRight = 26
 
-ForwardLeft=18
-BackwardLeft=17
+ForwardLeft = 18
+BackwardLeft = 17
 
 
 GPIO.setmode(GPIO.BCM)
@@ -37,30 +37,35 @@ def forward():
     GPIO.output(ForwardRight, GPIO.HIGH)
     time.sleep(SLEEP_TIME)
 
+
 def backward():
     GPIO.output(BackwardRight, GPIO.HIGH)
     GPIO.output(BackwardLeft, GPIO.HIGH)
     time.sleep(SLEEP_TIME)
 
+
 def turn_left():
     GPIO.output(ForwardLeft, GPIO.HIGH)
     GPIO.output(BackwardRight, GPIO.HIGH)
     time.sleep(SLEEP_TIME)
 
+
 def turn_right():
     GPIO.output(ForwardRight, GPIO.HIGH)
     GPIO.output(BackwardLeft, GPIO.HIGH)
     time.sleep(SLEEP_TIME)
 
+
 def clear():
     GPIO.output(ForwardLeft, GPIO.LOW)
     GPIO.output(ForwardRight, GPIO.LOW)
     GPIO.output(BackwardRight, GPIO.LOW)
     GPIO.output(BackwardLeft, GPIO.LOW)
 
+
 dev = usb.core.find(idVendor=USB_VENDOR, idProduct=USB_PRODUCT)
 
-endpoint = dev[0][(0,0)][0]
+endpoint = dev[0][(0, 0)][0]
 
 if dev.is_kernel_driver_active(USB_IF) is True:
     dev.detach_kernel_driver(USB_IF)
@@ -71,36 +76,39 @@ while True:
     control = None
 
     try:
-        control = dev.read(endpoint.bEndpointAddress, endpoint.wMaxPacketSize, USB_TIMEOUT)
+        control = dev.read(
+            endpoint.bEndpointAddress, endpoint.wMaxPacketSize, USB_TIMEOUT
+        )
         # print(control)
         if control[0] == 0:
             # print('clear')
             clear()
     except:
         pass
-    if control != None:
+    if control is not None:
         if BTN_DOWN in control:
-            print('-')
+            print("-")
             backward()
 
         if BTN_UP in control:
-            print('+')
+            print("+")
             forward()
 
         if BTN_LEFT in control:
-            print('<-')
+            print("<-")
             turn_left()
 
         if BTN_RIGHT in control:
-            print('->')
+            print("->")
             turn_right()
 
         if BTN_STOP in control:
-            print('stop')
+            print("stop")
 
         if BTN_EXIT in control:
             clear()
             exit()
     else:
         clear()
-    time.sleep(SLEEP_TIME) # Let CTRL+C actually exit
+    # Let CTRL+C actually exit
+    time.sleep(SLEEP_TIME)