diff --git a/pyproject.toml b/pyproject.toml
index dd29aba..2db2f95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tiffwrite"
-version = "2024.10.0"
+version = "2024.10.1"
 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 65d9660..e4c0d1e 100755
--- a/tiffwrite/__init__.py
+++ b/tiffwrite/__init__.py
@@ -31,9 +31,8 @@ except Exception:  # noqa
     __version__ = "unknown"
 
 
-type Strip = tuple[list[int], list[int]]
-type CZT = tuple[int, int, int]
-type FrameInfo = tuple[IFD, Strip, CZT]
+Strip = tuple[list[int], list[int]]
+CZT = tuple[int, int, int]
 
 
 def tiffwrite(file: str | Path, data: np.ndarray, axes: str = 'TZCXY', dtype: DTypeLike = None, bar: bool = False,
@@ -350,6 +349,9 @@ class IFD(dict):
         return new
 
 
+FrameInfo = tuple[IFD, Strip, CZT]
+
+
 class IJTiffFile:
     """ Writes a tiff file in a format that the BioFormats reader in Fiji understands.
         file:           filename of the new tiff file