# YAML Test Matrix

--- &test-P2EQ
  Title: Invalid sequene item on same line as previous item
  Tags: [ error, flow, mapping, sequence ]

---
- { y: z }- invalid

+STR
+DOC ---
+SEQ
+MAP {}
=VAL :y
=VAL :z
-MAP

+STR
+DOC ---
+SEQ
+MAP
=VAL :y
=VAL :z
-MAP
=VAL :invalid
-SEQ
-DOC
-STR

Line  Col Char Byte Token|Content
   1    0    0    0 +DOC |
   1    0    0    0 =HEAD|---
   1    3    3    3 +NODE|
   1    3    3    3 =EOL |\x0a
   2    0    4    4 +SEQ |
   2    0    4    4 =SYNX|-
   2    1    5    5 =WSPC|.
   2    2    6    6 +NODE|
   2    2    6    6 +MAP |
   2    2    6    6 =SYNX|{
   2    3    7    7 =WSPC|.
   2    4    8    8 +PAIR|
   2    4    8    8 +NODE|
   2    4    8    8 +VAL |
   2    4    8    8 =TEXT|y
   2    5    9    9 -VAL |
   2    5    9    9 -NODE|
   2    5    9    9 =SYNX|:
   2    6   10   10 =WSPC|.
   2    7   11   11 +NODE|
   2    7   11   11 +VAL |
   2    7   11   11 =TEXT|z
   2    8   12   12 -VAL |
   2    8   12   12 -NODE|
   2    8   12   12 -PAIR|
   2    8   12   12 =WSPC|.
   2    9   13   13 =SYNX|}
   2   10   14   14 -MAP |
   2   10   14   14 -NODE|
   2   10   14   14 =ERR |Expected.start.of.line
   2   10   14   14 =REST|-.invalid
   2   19   23   23 =REST|\x0a
   3    0   24   24 -SEQ |
   3    0   24   24 -NODE|
   3    0   24   24 -DOC |

stdin:2:11: error: block sequence on the same line as a previous item
- { y: z }- invalid
          ^
+STR
+DOC ---
+SEQ

stdin:2:11: error: block sequence on the same line as a previous item
- { y: z }- invalid
          ^

Parse error: block sequence entries are not allowed in this context
+STR
+DOC ---
+SEQ

Exception:
yaml-cpp: error at line 2, column 11: illegal block entry
+STR
+DOC
+SEQ

Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 2, Col: 11, Idx: 14) - (Line: 2, Col: 11, Idx: 14): While parsing a block collection, did not find expected '-' indicator.
   at YamlDotNet.Core.Parser.ParseBlockSequenceEntry(Boolean isFirst)
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.RepresentationModel.LibYamlEventStream.WriteTo(TextWriter textWriter)
   at Program.Main(String[] commandLineArguments)
Aborted (core dumped)
+STR
+DOC ---
+SEQ
+MAP
=VAL :y
=VAL :z
-MAP

Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 2, Col: 11, Idx: 14) - (Line: 2, Col: 11, Idx: 14): While parsing a block collection, did not find expected '-' indicator.
   at YamlDotNet.Core.Parser.ParseBlockSequenceEntry(Boolean isFirst)
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.Serialization.NodeDeserializers.DictionaryNodeDeserializer.DeserializeHelper(Type tKey, Type tValue, IParser parser, Func`3 nestedObjectDeserializer, IDictionary result)
   at YamlDotNet.Serialization.NodeDeserializers.DictionaryNodeDeserializer.YamlDotNet.Serialization.INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func`3 nestedObjectDeserializer, Object& value)
   at YamlDotNet.Serialization.ValueDeserializers.NodeValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   at YamlDotNet.Serialization.ValueDeserializers.AliasValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   at YamlDotNet.Serialization.ValueDeserializers.NodeValueDeserializer.<>c__DisplayClass3_0.<DeserializeValue>b__0(IParser r, Type t)
   at YamlDotNet.Serialization.NodeDeserializers.CollectionNodeDeserializer.DeserializeHelper(Type tItem, IParser parser, Func`3 nestedObjectDeserializer, IList result, Boolean canUpdate)
   at YamlDotNet.Serialization.NodeDeserializers.CollectionNodeDeserializer.YamlDotNet.Serialization.INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func`3 nestedObjectDeserializer, Object& value)
   at YamlDotNet.Serialization.ValueDeserializers.NodeValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   at YamlDotNet.Serialization.ValueDeserializers.AliasValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   at YamlDotNet.Serialization.Deserializer.Deserialize(IParser parser, Type type)
   at YamlDotNet.Serialization.Deserializer.Deserialize(TextReader input, Type type)
   at YamlDotNet.Serialization.Deserializer.Deserialize(TextReader input)
   at Program.Main(String[] commandLineArguments)
Aborted (core dumped)

yaml: line 2: block sequence entries are not allowed in this context

Parsing error near byte offset Pos {posByteOffset = 14, posCharOffset = 14, posLine = 2, posColumn = 10} (Expected start of line)
+STR
+DOC ---
+SEQ
+MAP {}
=VAL :y
=VAL :z
-MAP

hsyaml-parser: user error (Expected start of line)

/node/node_modules/js-yaml/lib/loader.js:187
  throw generateError(state, message);
  ^
YAMLException: bad indentation of a sequence entry (2:11)

 1 | ---
 2 | - { y: z }- invalid
---------------^
    at generateError (/node/node_modules/js-yaml/lib/loader.js:183:10)
    at throwError (/node/node_modules/js-yaml/lib/loader.js:187:9)
    at readBlockSequence (/node/node_modules/js-yaml/lib/loader.js:1015:7)
    at composeNode (/node/node_modules/js-yaml/lib/loader.js:1440:12)
    at readDocument (/node/node_modules/js-yaml/lib/loader.js:1625:3)
    at loadDocuments (/node/node_modules/js-yaml/lib/loader.js:1688:5)
    at Object.loadAll (/node/node_modules/js-yaml/lib/loader.js:1701:19)
    at Object.<anonymous> (/yaml/bin/js-jsyaml-json:7:13)
    at Module._compile (node:internal/modules/cjs/loader:1358:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1416:10) {
  reason: 'bad indentation of a sequence entry',
  mark: {
    name: null,
    buffer: '---\n- { y: z }- invalid\n',
    position: 14,
    line: 1,
    column: 10,
    snippet: ' 1 | ---\n 2 | - { y: z }- invalid\n---------------^'
  }
}

Node.js v20.13.1

Unexpected seq-item-ind at node end at line 2, column 11:

- { y: z }- invalid
          ^
+STR
+DOC ---
+SEQ
+MAP {}
=VAL :y
=VAL :z
-MAP
-SEQ
-DOC
-STR

/yaml/bin/js-yaml-json:9
    if (doc.errors.length !== 0) throw doc.errors[0]
                                 ^

YAMLParseError: Unexpected seq-item-ind at node end at line 2, column 11:

- { y: z }- invalid
          ^

    at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:69:34)
    at Object.resolveEnd (/node/node_modules/yaml/dist/compose/resolve-end.js:31:21)
    at Object.resolveFlowCollection (/node/node_modules/yaml/dist/compose/resolve-flow-collection.js:188:32)
    at resolveCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:16:37)
    at Object.composeCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:47:16)
    at composeNode (/node/node_modules/yaml/dist/compose/compose-node.js:31:38)
    at Object.resolveBlockSeq (/node/node_modules/yaml/dist/compose/resolve-block-seq.js:38:15)
    at resolveCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:15:31)
    at Object.composeCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:47:16)
    at Object.composeNode (/node/node_modules/yaml/dist/compose/compose-node.js:31:38) {
  code: 'UNEXPECTED_TOKEN',
  pos: [ 14, 15 ],
  linePos: [ { line: 2, col: 11 }, { line: 2, col: 12 } ]
}

Node.js v20.13.1

luajit: 2:1: block sequence entries are not allowed in this context
stack traceback:
	[C]: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:306: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:325: in function 'parse'
	/usr/local/share/lua/5.1/lyaml/init.lua:443: in function 'load_node'
	/usr/local/share/lua/5.1/lyaml/init.lua:393: in function 'load_node'
	/usr/local/share/lua/5.1/lyaml/init.lua:497: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x55ae308aeed0

/tmp/NimYAML-0.16.0/yaml/stream.nim(134) nimyaml_event
/tmp/NimYAML-0.16.0/yaml/stream.nim(106) next
Error: unhandled exception: Unexpected content after node in block context (expected newline): SeqItemInd [YamlStreamError]
+STR
+DOC ---
+SEQ
+MAP
=VAL :y
=VAL :z
-MAP

Line      : 2
Column    : 11
Expected  : EOL
Got       : DASH
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "- invalid\n"
  at /yaml/bin/perl-pp-event line 46.
+STR
+DOC ---
+SEQ
+MAP {}
=VAL :y
=VAL :z
-MAP

Line      : 2
Column    : 11
Expected  : EOL
Got       : DASH
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "- invalid\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

Line      : 2
Column    : 11
Expected  : EOL
Got       : DASH
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "- invalid\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

YAML::PP::LibYAML Error: The problem:

    block sequence entries are not allowed in this context

was found at , line: 2, column: 11

YAML::PP::LibYAML Error: The problem:

    block sequence entries are not allowed in this context

was found at , line: 2, column: 11

Parser finished before end of input at /perl5/lib/perl5/YAML/Parser.pm line 4056, <> line 1.

Syck parser (line 2, column 10): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.

Syck parser (line 2, column 10): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.

YAML::Tiny found illegal characters in plain scalar: '{ y: z }- invalid' at /yaml/bin/perl-tiny-json line 12.

YAML::Tiny found illegal characters in plain scalar: '{ y: z }- invalid' at /yaml/bin/perl-tiny-perl line 15.

YAML::XS::Load Error: The problem:

    block sequence entries are not allowed in this context

was found at document: 1, line: 2, column: 11

YAML::XS::Load Error: The problem:

    block sequence entries are not allowed in this context

was found at document: 1, line: 2, column: 11

YAML Error: Couldn't parse single line value
   Code: YAML_PARSE_ERR_SINGLE_LINE
   Line: 2
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 164.

YAML Error: Couldn't parse single line value
   Code: YAML_PARSE_ERR_SINGLE_LINE
   Line: 2
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 164.

Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-event", line 7, in <module>
    for event in yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/yaml/__init__.py", line 75, in parse
    while loader.check_event():
          ^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 379, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 384, in parse_block_sequence_entry
    if not self.check_token(BlockEntryToken, BlockEndToken):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 215, in fetch_more_tokens
    return self.fetch_block_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 491, in fetch_block_entry
    raise ScannerError(None, None,
yaml.scanner.ScannerError: sequence entries are not allowed here
  in "<unicode string>", line 2, column 11:
    - { y: z }- invalid
              ^
+STR
+DOC ---
+SEQ

Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-json", line 19, in <module>
    for doc in yaml.load_all(sys.stdin.read(), Loader=yaml.FullLoader):
  File "/python/lib/python3.12/site-packages/yaml/__init__.py", line 130, in load_all
    yield loader.get_data()
          ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
                                   ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 82, in compose_node
    node = self.compose_sequence_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 110, in compose_sequence_node
    while not self.check_event(SequenceEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 379, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 384, in parse_block_sequence_entry
    if not self.check_token(BlockEntryToken, BlockEndToken):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 215, in fetch_more_tokens
    return self.fetch_block_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 491, in fetch_block_entry
    raise ScannerError(None, None,
yaml.scanner.ScannerError: sequence entries are not allowed here
  in "<unicode string>", line 2, column 11:
    - { y: z }- invalid
              ^

Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-py", line 36, in <module>
    for doc in yaml.load_all(sys.stdin.read(), Loader=yaml.FullLoader):
  File "/python/lib/python3.12/site-packages/yaml/__init__.py", line 130, in load_all
    yield loader.get_data()
          ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
                                   ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 82, in compose_node
    node = self.compose_sequence_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 110, in compose_sequence_node
    while not self.check_event(SequenceEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 379, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 384, in parse_block_sequence_entry
    if not self.check_token(BlockEntryToken, BlockEndToken):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 215, in fetch_more_tokens
    return self.fetch_block_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 491, in fetch_block_entry
    raise ScannerError(None, None,
yaml.scanner.ScannerError: sequence entries are not allowed here
  in "<unicode string>", line 2, column 11:
    - { y: z }- invalid
              ^

Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-event", line 9, in <module>
    for event in yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 371, in parse
    while parser.check_event():
          ^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 532, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 538, in parse_block_sequence_entry
    if not self.scanner.check_token(BlockEntryToken, BlockEndToken):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 270, in fetch_more_tokens
    return self.fetch_block_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 543, in fetch_block_entry
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: sequence entries are not allowed here
  in "<unicode string>", line 2, column 11:
    - { y: z }- invalid
              ^ (line: 2)
+STR
+DOC ---
+SEQ

Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-json", line 21, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 476, in load_all
    yield constructor.get_data()
          ^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 110, in get_data
    return self.construct_document(self.composer.get_node())
                                   ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 63, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 94, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 128, in compose_node
    node = self.compose_sequence_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 172, in compose_sequence_node
    while not self.parser.check_event(SequenceEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 532, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 538, in parse_block_sequence_entry
    if not self.scanner.check_token(BlockEntryToken, BlockEndToken):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 270, in fetch_more_tokens
    return self.fetch_block_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 543, in fetch_block_entry
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: sequence entries are not allowed here
  in "<unicode string>", line 2, column 11:
    - { y: z }- invalid
              ^ (line: 2)

Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-py", line 38, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 476, in load_all
    yield constructor.get_data()
          ^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 110, in get_data
    return self.construct_document(self.composer.get_node())
                                   ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 63, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 94, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 128, in compose_node
    node = self.compose_sequence_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 172, in compose_sequence_node
    while not self.parser.check_event(SequenceEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 532, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 538, in parse_block_sequence_entry
    if not self.scanner.check_token(BlockEntryToken, BlockEndToken):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 270, in fetch_more_tokens
    return self.fetch_block_entry()
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 543, in fetch_block_entry
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: sequence entries are not allowed here
  in "<unicode string>", line 2, column 11:
    - { y: z }- invalid
              ^ (line: 2)

/ruby/gems/psych/lib/psych.rb:458:in `parse': (<unknown>): block sequence entries are not allowed in this context at line 2 column 11 (Psych::SyntaxError)
	from /ruby/gems/psych/lib/psych.rb:458:in `parse_stream'
	from /ruby/gems/psych/lib/psych.rb:632:in `load_stream'
	from /yaml/bin/ruby-psych-json:6:in `<main>'

Error: ScanError { mark: Marker { index: 14, line: 2, col: 10 }, info: "block sequence entries are not allowed in this context" }
+STR
+DOC
+SEQ