diff --git a/epicardium/modules/leds.c b/epicardium/modules/leds.c
index c7c1847c1279730a412e61ed769fd56090d6a486..0b33129767bce6c2a6050a6f35790246b8769268 100644
--- a/epicardium/modules/leds.c
+++ b/epicardium/modules/leds.c
@@ -145,30 +145,30 @@ int epic_leds_get_rocket(int led)
 	return ret;
 }
 
-static TimerHandle_t blink_timer[] = {NULL, NULL ,NULL};
+static TimerHandle_t blink_timer[] = { NULL, NULL, NULL };
 
 void bTimerCallback(TimerHandle_t blink_timer)
 {
-    uint32_t id = (uint32_t) pvTimerGetTimerID(blink_timer);
-    epic_leds_set_rocket(id, 0);
+	uint32_t id = (uint32_t)pvTimerGetTimerID(blink_timer);
+	epic_leds_set_rocket(id, 0);
 }
 
 void epic_leds_blink_rocket(int led, uint8_t value, int millis)
 {
-        int ticks = millis * (configTICK_RATE_HZ / 1000);
-        int32_t id = led;
-        if (blink_timer[id] == NULL) {
-            blink_timer[id] = xTimerCreate(
-                    "blinktimer",
-                    ticks,
-                    pdFALSE,
-                    (void*) id,
-                    bTimerCallback
-            );
-            epic_leds_set_rocket(led, value);
-        }
-        epic_leds_set_rocket(led, value);
-        xTimerChangePeriod(blink_timer[id], ticks, 0);
+	int ticks  = millis * (configTICK_RATE_HZ / 1000);
+	int32_t id = led;
+	if (blink_timer[id] == NULL) {
+		blink_timer[id] = xTimerCreate(
+			"blinktimer",
+			ticks,
+			pdFALSE,
+			(void *)id,
+			bTimerCallback
+		);
+		epic_leds_set_rocket(led, value);
+	}
+	epic_leds_set_rocket(led, value);
+	xTimerChangePeriod(blink_timer[id], ticks, 0);
 }
 void epic_set_flashlight(bool power)
 {
diff --git a/pycardium/modules/py/leds.py b/pycardium/modules/py/leds.py
index 50ebddf92a57cc944bc1365e61e394f2a54c41cb..c29d3347c17705a93a6d0389a12bf54dce57642f 100644
--- a/pycardium/modules/py/leds.py
+++ b/pycardium/modules/py/leds.py
@@ -94,6 +94,7 @@ def get_rocket(led):
     """
     return sys_leds.get_rocket(led)
 
+
 def blink_rocket(led, value, millis):
     """
     Let one of the rockets blink for a certain time without
diff --git a/pycardium/modules/sys_leds.c b/pycardium/modules/sys_leds.c
index 720cd5d1d933c1665e988aca6c42713e9ef56ddf..13924aef0d3a48cc7500c1b935c4e3963929c1d0 100644
--- a/pycardium/modules/sys_leds.c
+++ b/pycardium/modules/sys_leds.c
@@ -213,11 +213,12 @@ static mp_obj_t mp_leds_get_rocket(mp_obj_t led_in)
 }
 static MP_DEFINE_CONST_FUN_OBJ_1(leds_get_rocket_obj, mp_leds_get_rocket);
 
-static mp_obj_t mp_leds_blink_rocket(mp_obj_t led_in, mp_obj_t value_in, mp_obj_t time_in)
+static mp_obj_t
+mp_leds_blink_rocket(mp_obj_t led_in, mp_obj_t value_in, mp_obj_t time_in)
 {
 	int led   = mp_obj_get_int(led_in);
 	int value = mp_obj_get_int(value_in);
-        int time  = mp_obj_get_int(time_in);
+	int time  = mp_obj_get_int(time_in);
 
 	if (value > 31) {
 		mp_raise_ValueError("brightness must by < 32");
@@ -298,7 +299,8 @@ static const mp_rom_map_elem_t leds_module_globals_table[] = {
 	{ MP_ROM_QSTR(MP_QSTR_set_all_hsv), MP_ROM_PTR(&leds_set_all_hsv_obj) },
 	{ MP_ROM_QSTR(MP_QSTR_set_rocket), MP_ROM_PTR(&leds_set_rocket_obj) },
 	{ MP_ROM_QSTR(MP_QSTR_get_rocket), MP_ROM_PTR(&leds_get_rocket_obj) },
-	{ MP_ROM_QSTR(MP_QSTR_blink_rocket), MP_ROM_PTR(&leds_blink_rocket_obj) },
+	{ MP_ROM_QSTR(MP_QSTR_blink_rocket),
+	  MP_ROM_PTR(&leds_blink_rocket_obj) },
 	{ MP_ROM_QSTR(MP_QSTR_set_flashlight),
 	  MP_ROM_PTR(&leds_set_flashlight_obj) },
 	{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&leds_update_obj) },