I think I fixed the import and export clipboard manual buttons. They work for me for now at least.

tests/unit/test_x_clipboard.py

@@ -37,6 +37,25 @@ def test_write_text_uses_display_env_without_mutating_process_env(
     assert os.environ.get("DISPLAY") is None
 
 
+@pytest.mark.unit
+def test_write_text_does_not_capture_daemonized_writer_pipes(monkeypatch):
+    monkeypatch.setattr(x_clipboard.shutil, "which", command_exists)
+
+    def run_command(command, **kwargs):
+        if (
+            kwargs["stdout"] == subprocess.PIPE
+            or kwargs["stderr"] == subprocess.PIPE
+        ):
+            raise subprocess.TimeoutExpired(command, 2.0)
+        return subprocess.CompletedProcess(
+            command, 0, stdout=None, stderr=None
+        )
+
+    monkeypatch.setattr(x_clipboard.subprocess, "run", run_command)
+
+    assert x_clipboard.write_text("clipboard text", ":3") is True
+
+
 @pytest.mark.unit
 def test_read_text_scans_displays_until_text_is_found(monkeypatch):
     monkeypatch.delenv("DISPLAY", raising=False)