From a9f74cfb2a32b6a7da34574bfbb34e810ef3beca Mon Sep 17 00:00:00 2001
From: mtremmel <m.tremmel6@gmail.com>
Date: Fri, 22 Nov 2024 16:16:00 +0000
Subject: [PATCH] attempt to avoid auto selection of new input handler

---
 tangos/input_handlers/pynbody.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tangos/input_handlers/pynbody.py b/tangos/input_handlers/pynbody.py
index e3e73e68..0d6b9447 100644
--- a/tangos/input_handlers/pynbody.py
+++ b/tangos/input_handlers/pynbody.py
@@ -836,6 +836,7 @@ class ChangaUseIDLInputHandler(ChangaInputHandler):
     enable_autoselect = False
 
 class ChangaAHFv1InputHandler(ChangaInputHandler):
+    patterns=[] #emtpy so that this is only used when explicitly asked for
     @classmethod
     def _construct_pynbody_halos(cls, sim, *args, **kwargs):
         kwargs['halo_numbers'] = 'v1'