Index: Modules/_bsddb.c
===================================================================
--- Modules/_bsddb.c	(révision 66475)
+++ Modules/_bsddb.c	(copie de travail)
@@ -1071,6 +1071,7 @@
     if (self == NULL)
         return NULL;
 
+    self->db_env = NULL;
     self->closed = 1;
     self->flags = flags;
     self->moduleFlags.getReturnsNone = DEFAULT_GET_RETURNS_NONE;
@@ -1099,7 +1100,7 @@
 }
 
 /* Forward declaration */
-static PyObject *DBEnv_close_internal(DBEnvObject* self, int flags);
+static PyObject *DBEnv_close_internal(DBEnvObject* self, int flags, int check_error);
 
 static void
 DBEnv_dealloc(DBEnvObject* self)
@@ -1107,7 +1108,8 @@
   PyObject *dummy;
 
     if (self->db_env) {
-      dummy=DBEnv_close_internal(self,0);
+      /* ignore errors at exit */
+      dummy=DBEnv_close_internal(self,0,0);
       Py_XDECREF(dummy);
     }
 
@@ -3967,7 +3969,7 @@
 
 
 static PyObject*
-DBEnv_close_internal(DBEnvObject* self, int flags)
+DBEnv_close_internal(DBEnvObject* self, int flags, int check_error)
 {
     PyObject *dummy;
     int err;
@@ -3991,8 +3993,10 @@
         /* after calling DBEnv->close, regardless of error, this DBEnv
          * may not be accessed again (Berkeley DB docs). */
         self->db_env = NULL;
+        if (check_error) {
         RETURN_IF_ERR();
     }
+    }
     RETURN_NONE();
 }
 
@@ -4003,7 +4007,7 @@
 
     if (!PyArg_ParseTuple(args, "|i:close", &flags))
         return NULL;
-    return DBEnv_close_internal(self,flags);
+    return DBEnv_close_internal(self,flags,1);
 }