Fix contributed by Stas Shtin to stop a resource leak, see MODLANG-95

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11254 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/languages/mod_python/mod_python.c

@@ -198,7 +198,10 @@ static void eval_some_python(const char *funcname, char *args, switch_core_sessi
 	}
 	
 	if (tstate) {
+		// thread state must be cleared explicitly or we'll get memory leaks
+		PyThreadState_Clear(tstate);
 		PyEval_ReleaseThread(tstate);
+		PyThreadState_Delete(tstate);
 	}
 	
  done: