Fix doctests (#8631)

Currently getting a error without pyarraw in CI: https://github.com/pydata/xarray/actions/runs/7577666145/job/20693665924
pydata · Jan 21, 2024 · aa1ed35 · aa1ed35
1 parent 35b7ab1
commit aa1ed35
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diff --git 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
@@ -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