From 34994bb694c7924ce0a0500b8f9befa4b1ee4abf Mon Sep 17 00:00:00 2001
From: Kyle Oman <kyle.a.oman@durham.ac.uk>
Date: Thu, 19 Sep 2024 10:35:14 +0100
Subject: [PATCH] Remove guard for SOAP files only.

---
 swiftsimio/masks.py | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/swiftsimio/masks.py b/swiftsimio/masks.py
index f5db74a8..9564f5ae 100644
--- a/swiftsimio/masks.py
+++ b/swiftsimio/masks.py
@@ -423,9 +423,6 @@ def constrain_index(self, index: int):
         index : int
             The index of the row to select.
         """
-        if not self.metadata.filetype == "SOAP":
-            warnings.warn("Not masking a SOAP catalogue, nothing constrained.")
-            return
         for group_name in self.metadata.present_group_names:
             setattr(self, group_name, np.array([[index, index + 1]]))
             setattr(self, f"{group_name}_size", 1)