From fcfd52a80b7817434cb080202a642ea2a5be6c5d Mon Sep 17 00:00:00 2001
From: Jelle Aalbers <jelleaalbers@gmail.com>
Date: Mon, 31 Jul 2023 17:07:44 -0700
Subject: [PATCH] Fix array_columns type signature

---
 flamedisx/source.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/flamedisx/source.py b/flamedisx/source.py
index 0bbcd468c..030b17178 100644
--- a/flamedisx/source.py
+++ b/flamedisx/source.py
@@ -46,8 +46,8 @@ class Source:
     #: Columns that we don't want to include in the tensor of data columns
     exclude_data_tensor: ty.Tuple[str] = tuple()
 
-    #: Names of array-valued data columns
-    array_columns: ty.Tuple[str] = tuple()
+    #: Array-valued data columns: tuple of (name, length)
+    array_columns: ty.Tuple[ty.Tuple[str, int]] = tuple()
 
     #: Any additional source attributes that should be configurable.
     model_attributes = tuple()