From 8ff613dec6f2b8d9640bb5fd65bdc73a965b5c72 Mon Sep 17 00:00:00 2001
From: Jeff Gortmaker <jeff@jeffgortmaker.com>
Date: Sat, 25 Feb 2023 09:40:49 -0500
Subject: [PATCH] BUG: remove non-finite ownership check (NaNs are okay)

---
 pyblp/primitives.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/pyblp/primitives.py b/pyblp/primitives.py
index e61d571..511b18b 100644
--- a/pyblp/primitives.py
+++ b/pyblp/primitives.py
@@ -197,8 +197,6 @@ def __new__(
         if firm_ids is not None:
             ownership = extract_matrix(product_data, 'ownership')
             if ownership is not None:
-                if not np.isfinite(ownership).all():
-                    raise ValueError("The ownership field of product_data should not have NaNs or infinities.")
                 max_J = market_groups.counts.max()
                 if ownership.shape[1] != max_J:
                     raise ValueError(