Index: Python/ceval.c
===================================================================
--- Python/ceval.c	(revision 62647)
+++ Python/ceval.c	(working copy)
@@ -1477,6 +1477,19 @@
 					"'finally' pops bad exception");
 				why = WHY_EXCEPTION;
 			}
+			/*
+				Make sure the exception state is cleaned up before
+				the end of an except block. This ensures objects
+				referenced by the exception state are not kept
+				alive too long.
+				See #2507.
+			*/
+			if (tstate->frame->f_exc_type != NULL)
+				reset_exc_info(tstate);
+			else {
+				assert(tstate->frame->f_exc_value == NULL);
+				assert(tstate->frame->f_exc_traceback == NULL);
+			}
 			Py_DECREF(v);
 			break;