feat: Explicitly disallow capture_stdout option on sequence tasks (#265)

fix: make test just work for different python versions

tests/test_script_tasks.py

@@ -1,5 +1,4 @@
 import difflib
-import sys
 
 no_venv = {"POETRY_VIRTUALENVS_CREATE": "false"}
 
@@ -368,16 +367,13 @@ def test_script_with_multi_value_args(run_poe_subproc):
     )
     assert result.capture == ""
     assert result.stdout == ""
-    if (3, 12, 6) < sys.version_info < (3, 13, 0):
-        assert (
-            "poe multiple-value-args: error: argument second: invalid int value: 'dong'"
-            in result.stderr
-        )
-    else:
-        assert (
-            "poe multiple-value-args: error: unrecognized arguments: dong"
-            in result.stderr
-        )
+    # accomodate difference in argparse output between python versions
+    assert (
+        "poe multiple-value-args: error: argument second: invalid int value: 'dong'"
+        in result.stderr
+    ) or (
+        "poe multiple-value-args: error: unrecognized arguments: dong" in result.stderr
+    )
 
     # wrong type for multiple values
     result = run_poe_subproc(