diff --git a/motors/src/main/kotlin/ru/mipt/npm/devices/pimotionmaster/PiMotionMasterDevice.kt b/motors/src/main/kotlin/ru/mipt/npm/devices/pimotionmaster/PiMotionMasterDevice.kt
index 828f0bc..be36ed8 100644
--- a/motors/src/main/kotlin/ru/mipt/npm/devices/pimotionmaster/PiMotionMasterDevice.kt
+++ b/motors/src/main/kotlin/ru/mipt/npm/devices/pimotionmaster/PiMotionMasterDevice.kt
@@ -4,6 +4,7 @@ package ru.mipt.npm.devices.pimotionmaster
 
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.flow.transformWhile
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock