From 01174817db435e2f9127b29c3ddef448293114a9 Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@intellij.com>
Date: Thu, 11 Jun 2009 22:29:15 +0400
Subject: [PATCH] one more fix for parent envs

---
 .../jetbrains/python/run/AbstractPythonRunConfiguration.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/python/src/com/jetbrains/python/run/AbstractPythonRunConfiguration.java b/python/src/com/jetbrains/python/run/AbstractPythonRunConfiguration.java
index 045e65636a0e..267f1f65ebbe 100644
--- a/python/src/com/jetbrains/python/run/AbstractPythonRunConfiguration.java
+++ b/python/src/com/jetbrains/python/run/AbstractPythonRunConfiguration.java
@@ -108,7 +108,10 @@ public abstract class AbstractPythonRunConfiguration extends ModuleBasedConfigur
   public void readExternal(Element element) throws InvalidDataException {
     super.readExternal(element);
     myInterpreterOptions = JDOMExternalizerUtil.readField(element, "INTERPRETER_OPTIONS");
-    myPassParentEnvs = Boolean.parseBoolean(JDOMExternalizerUtil.readField(element, "PARENT_ENVS"));
+    final String parentEnvs = JDOMExternalizerUtil.readField(element, "PARENT_ENVS");
+    if (parentEnvs != null) {
+      myPassParentEnvs = Boolean.parseBoolean(parentEnvs);
+    }
     mySdkHome = JDOMExternalizerUtil.readField(element, "SDK_HOME");
     myWorkingDirectory = JDOMExternalizerUtil.readField(element, "WORKING_DIRECTORY");
     myUseModuleSdk = Boolean.parseBoolean(JDOMExternalizerUtil.readField(element, "IS_MODULE_SDK"));