Merged revisions 87251 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r87251 | r.david.murray | 2010-12-14 18:06:25 -0500 (Tue, 14 Dec 2010) | 4 lines

  #4236: avoid possible Fatal Error when import is called from __del__

  Patch by Simon Cross, crasher test code by Martin von Löwis.
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diff --git a/Python/modsupport.c b/Python/modsupport.c
index 6ee48f3..8bdec8b 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -34,8 +34,9 @@
 {
     PyObject *m, *d, *v, *n;
     PyMethodDef *ml;
-    if (!Py_IsInitialized())
-        Py_FatalError("Interpreter not initialized (version mismatch?)");
+    PyInterpreterState *interp = PyThreadState_Get()->interp;
+    if (interp->modules == NULL)
+        Py_FatalError("Python import machinery not initialized");
     if (module_api_version != PYTHON_API_VERSION) {
         char message[512];
         PyOS_snprintf(message, sizeof(message),