diff --git a/python/src/com/jetbrains/python/debugger/ExceptionBreakpointProperties.java b/python/src/com/jetbrains/python/debugger/ExceptionBreakpointProperties.java
index 897b92c645b8..2c7c1db1644d 100644
--- a/python/src/com/jetbrains/python/debugger/ExceptionBreakpointProperties.java
+++ b/python/src/com/jetbrains/python/debugger/ExceptionBreakpointProperties.java
@@ -18,6 +18,7 @@ package com.jetbrains.python.debugger;
 import com.intellij.util.xmlb.annotations.Attribute;
 import com.intellij.xdebugger.breakpoints.XBreakpointProperties;
 import com.jetbrains.python.debugger.pydev.ExceptionBreakpointCommandFactory;
+import com.sun.istack.internal.NotNull;
 
 /**
  * @author traff