diff --git a/script/device/Pixel.py b/script/device/Pixel.py
index 93ffca1..f11534f 100644
--- a/script/device/Pixel.py
+++ b/script/device/Pixel.py
@@ -46,12 +46,12 @@ class Pixel(DeviceBase, Readable, Readable.IntegerType):
     def assert_ready(self):
          if not self.is_connected():
             raise Exception (self.name + " not connected")
-         err = self.get_error_code
+         err = self.get_error_code()
          if err!=0:
             raise Exception (self.name + " error: " + str(err))
          status = self.get_status()
          if not self.is_status_ready(status):
-            raise Exception (self.name + " is status is not ready: " + str(status))         
+            raise Exception (self.name + " is not ready - status: " + str(status))         
 
     def _update_header_length(self):
         format = self.get_image_format()