From 5c6bdb264d01cacc3cc2ece3a235e0190cc7b6dc Mon Sep 17 00:00:00 2001
From: Wim Pomp <w.pomp@nki.nl>
Date: Mon, 26 Feb 2024 18:47:57 +0100
Subject: [PATCH] - Check for existence of astype.

---
 .github/workflows/pytest.yml | 2 +-
 pyproject.toml               | 2 +-
 tiffwrite/__init__.py        | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 1311849..52c5485 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -11,7 +11,7 @@ jobs:
         os: [ubuntu-20.04, windows-2019, macOS-11]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
diff --git a/pyproject.toml b/pyproject.toml
index d595b60..69effbc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tiffwrite"
-version = "2024.2.1"
+version = "2024.2.2"
 description = "Parallel tiff writer compatible with ImageJ."
 authors = ["Wim Pomp, Lenstra lab NKI <w.pomp@nki.nl>"]
 license = "GPL-3.0-or-later"
diff --git a/tiffwrite/__init__.py b/tiffwrite/__init__.py
index 600e6fe..a2df2cb 100755
--- a/tiffwrite/__init__.py
+++ b/tiffwrite/__init__.py
@@ -406,7 +406,7 @@ class IJTiffFile:
         assert (c, z, t) not in self.pool.tasks, f'frame {c} {z} {t} is added already'
         assert all([0 <= i < s for i, s in zip((c, z, t), self.shape)]), \
             'frame {} {} {} is outside shape {} {} {}'.format(c, z, t, *self.shape)
-        self.pool(frame.astype(self.dtype) if isinstance(frame, np.ndarray) else frame, handle=(c, z, t))
+        self.pool(frame.astype(self.dtype) if hasattr(frame, 'astype') else frame, handle=(c, z, t))
         if extratags:
             self.frame_extra_tags[(c, z, t)] = Tag.to_tags(extratags)