system RAM usage sensor added
diff --git a/sensors/main.py b/sensors/main.py
index 6263a9a..8668518 100644
--- a/sensors/main.py
+++ b/sensors/main.py
@@ -9,6 +9,7 @@
 import io_sensors
 import net_sensors
 import syscpu_sensors
+import sysram_sensors
 
 from utils import SensorInfo
 from daemonize import Daemonize