diff --git a/pkgs/development/python-modules/backports_shutil_get_terminal_size/default.nix b/pkgs/development/python-modules/backports_shutil_get_terminal_size/default.nix
new file mode 100644
index 000000000000..7f4faa8a8b47
--- /dev/null
+++ b/pkgs/development/python-modules/backports_shutil_get_terminal_size/default.nix
@@ -0,0 +1,26 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+, pythonOlder
+}:
+
+if !(pythonOlder "3.3") then null else buildPythonPackage rec {
+  pname = "backports.shutil_get_terminal_size";
+  version = "1.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "713e7a8228ae80341c70586d1cc0a8caa5207346927e23d09dcbcaf18eadec80";
+  };
+
+  checkInputs = [
+    pytest
+  ];
+
+  meta = {
+    description = "A backport of the get_terminal_size function from Python 3.3’s shutil.";
+    homepage = https://github.com/chrippa/backports.shutil_get_terminal_size;
+    license = with lib.licenses; [ mit ];
+  };
+}
\ No newline at end of file
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7059f1749c2c..0aff70dea2cc 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1047,21 +1047,7 @@ in {
     };
   };
 
-  backports_shutil_get_terminal_size = if !(pythonOlder "3.3") then null else buildPythonPackage rec {
-    name = "backports.shutil_get_terminal_size-${version}";
-    version = "1.0.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/b/backports.shutil_get_terminal_size/${name}.tar.gz";
-      sha256 = "713e7a8228ae80341c70586d1cc0a8caa5207346927e23d09dcbcaf18eadec80";
-    };
-
-    meta = {
-      description = "A backport of the get_terminal_size function from Python 3.3’s shutil.";
-      homepage = https://github.com/chrippa/backports.shutil_get_terminal_size;
-      license = with licenses; [ mit ];
-    };
-  };
+  backports_shutil_get_terminal_size = callPackage ../development/python-modules/backports_shutil_get_terminal_size { };
 
   backports_ssl_match_hostname_3_4_0_2 = self.buildPythonPackage rec {
     name = "backports.ssl_match_hostname-3.4.0.2";