From aa1ed35fe16edc89b86405ac3666fb0f9f608401 Mon Sep 17 00:00:00 2001
From: Maximilian Roos <5635139+max-sixty@users.noreply.github.com>
Date: Sat, 20 Jan 2024 17:31:46 -0800
Subject: [PATCH] Fix doctests (#8631)

Currently getting a error without pyarraw in CI: https://github.com/pydata/xarray/actions/runs/7577666145/job/20693665924
---
 ci/min_deps_check.py            | 2 ++
 ci/requirements/environment.yml | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ci/min_deps_check.py b/ci/min_deps_check.py
index bbaf440a9a0..48ea323ed81 100755
--- a/ci/min_deps_check.py
+++ b/ci/min_deps_check.py
@@ -3,6 +3,8 @@
 publication date. Compare it against requirements/min-all-deps.yml to verify the
 policy on obsolete dependencies is being followed. Print a pretty report :)
 """
+from __future__ import annotations
+
 import itertools
 import sys
 from collections.abc import Iterator
diff --git a/ci/requirements/environment.yml b/ci/requirements/environment.yml
index 0aa5a6bc2f1..f2304ce62ca 100644
--- a/ci/requirements/environment.yml
+++ b/ci/requirements/environment.yml
@@ -17,7 +17,7 @@ dependencies:
   - hdf5
   - hypothesis
   - iris
-  - lxml  # Optional dep of pydap
+  - lxml # Optional dep of pydap
   - matplotlib-base
   - nc-time-axis
   - netcdf4
@@ -32,6 +32,7 @@ dependencies:
   - pip
   - pooch
   - pre-commit
+  - pyarrow # pandas makes a deprecation warning without this, breaking doctests
   - pydap
   - pytest
   - pytest-cov