From f07deeff8aa812f47acde00c0f7a9a35e106fe69 Mon Sep 17 00:00:00 2001
From: "Lumberbot (aka Jack)"
 <39504233+meeseeksmachine@users.noreply.github.com>
Date: Wed, 4 Oct 2023 20:20:06 +0200
Subject: [PATCH] Backport PR #55397 on branch 2.1.x (MAINT: Add warning filter
 for `np.long`) (#55402)
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Backport PR #55397: MAINT: Add warning filter for `np.long`

Co-authored-by: Mateusz Sokół <8431159+mtsokol@users.noreply.github.com>
---
 pandas/compat/numpy/__init__.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/pandas/compat/numpy/__init__.py b/pandas/compat/numpy/__init__.py
index 1b974a92f8188..51c9892b64a08 100644
--- a/pandas/compat/numpy/__init__.py
+++ b/pandas/compat/numpy/__init__.py
@@ -1,4 +1,6 @@
 """ support numpy compatibility across versions """
+import warnings
+
 import numpy as np
 
 from pandas.util.version import Version
@@ -26,8 +28,14 @@
 
 if _nlv >= Version("2.0.0.dev0"):
     try:
-        np_long = np.long  # type: ignore[attr-defined]
-        np_ulong = np.ulong  # type: ignore[attr-defined]
+        with warnings.catch_warnings():
+            warnings.filterwarnings(
+                "ignore",
+                r".*In the future `np\.long` will be defined as.*",
+                FutureWarning,
+            )
+            np_long = np.long  # type: ignore[attr-defined]
+            np_ulong = np.ulong  # type: ignore[attr-defined]
     except AttributeError:
         np_long = np.int_
         np_ulong = np.uint