diff --git a/pkgs/development/python-modules/astropy/default.nix b/pkgs/development/python-modules/astropy/default.nix
index d8751b9e6c7d..0489821f7a82 100644
--- a/pkgs/development/python-modules/astropy/default.nix
+++ b/pkgs/development/python-modules/astropy/default.nix
@@ -40,12 +40,15 @@
   bottleneck,
   fsspec,
   s3fs,
+  uncompresspy,
 
   # testing
+  hypothesis,
   pytestCheckHook,
   pytest-xdist,
   pytest-astropy-header,
-  pytest-astropy,
+  pytest-doctestplus,
+  pytest-remotedata,
   threadpoolctl,
 
 }:
@@ -112,6 +115,7 @@ buildPythonPackage rec {
       bottleneck
       fsspec
       s3fs
+      uncompresspy
     ]
     ++ self.recommended
     ++ self.ipython
@@ -121,11 +125,16 @@ buildPythonPackage rec {
   });
 
   nativeCheckInputs = [
+    hypothesis
     pytestCheckHook
     pytest-xdist
     pytest-astropy-header
-    pytest-astropy
+    pytest-doctestplus
+    pytest-remotedata
     threadpoolctl
+    # FIXME remove in 7.2.0
+    # see https://github.com/astropy/astropy/pull/18882
+    uncompresspy
   ]
   ++ optional-dependencies.recommended;
 
diff --git a/pkgs/development/python-modules/uncompresspy/default.nix b/pkgs/development/python-modules/uncompresspy/default.nix
new file mode 100644
index 000000000000..1e453ca0d57a
--- /dev/null
+++ b/pkgs/development/python-modules/uncompresspy/default.nix
@@ -0,0 +1,32 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  setuptools,
+}:
+
+buildPythonPackage rec {
+  pname = "uncompresspy";
+  version = "0.4.1";
+  pyproject = true;
+
+  # no tags on GitHub
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-556tZurtjUI2TYB8C6PzqK7w4Ah6m+rxpg8jqAimwUc=";
+  };
+
+  build-system = [ setuptools ];
+
+  pythonImportsCheck = [ "uncompresspy" ];
+
+  # upstream has no tests
+  doCheck = false;
+
+  meta = {
+    description = "Pure Python package for uncompressing LZW files (.Z), such as the ones created by Unix's shell tool compress";
+    homepage = "https://github.com/kYwzor/uncompresspy";
+    license = lib.licenses.bsd3;
+    maintainers = [ lib.maintainers.dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d3d59ccce835..dd61169c900c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -19697,6 +19697,8 @@ self: super: with self; {
 
   uncertainties = callPackage ../development/python-modules/uncertainties { };
 
+  uncompresspy = callPackage ../development/python-modules/uncompresspy { };
+
   uncompyle6 = callPackage ../development/python-modules/uncompyle6 { };
 
   undefined = callPackage ../development/python-modules/undefined { };