--- &test-4EJS
Title: Invalid tabs as indendation in a mapping
Tags: [ error, mapping, whitespace ]
+STR
+DOC ---
+MAP
=VAL :a
invalid_incorrect
+STR
+DOC ---
+MAP
=VAL :a
=VAL :
=VAL :b
=VAL :
=VAL :c
=VAL :value
-MAP
-DOC
-STR
invalid_incorrect
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 +MAP |
2 0 4 4 +PAIR|
2 0 4 4 +NODE|
2 0 4 4 +VAL |
2 0 4 4 =TEXT|a
2 1 5 5 -VAL |
2 1 5 5 -NODE|
2 1 5 5 =SYNX|:
2 2 6 6 +NODE|
2 2 6 6 +VAL |
2 2 6 6 -VAL |
2 2 6 6 -NODE|
2 2 6 6 =EOL |\x0a
3 0 7 7 -PAIR|
3 0 7 7 -MAP |
3 0 7 7 -NODE|
3 0 7 7 -DOC |
3 0 7 7 =ERR |Unexpected.'\x09'
invalid_incorrect
+STR
+DOC ---
+MAP
=VAL :a
=VAL :
=VAL :b
=VAL :
=VAL :c
=VAL :value
-MAP
-DOC
-STR
invalid_incorrect
{
"a" : {
"b" : {
"c" : "value"
}
}
}
invalid_incorrect
{
'a' => {
'b' => {
'c' => 'value'
}
}
}
invalid_incorrect
+STR
+DOC
+MAP
=VAL :a
=VAL :
=VAL :\tb
=VAL :
=VAL :\t\tc
=VAL :value
-MAP
-DOC
-STR
invalid_correct
stdin:3:1: error: tab character may not be used as indentation
b:
^~~~~~~~
+STR
+DOC ---
+MAP
=VAL :a
invalid_correct
stdin:3:1: error: tab character may not be used as indentation
b:
^~~~~~~~
invalid_correct
Parse error: found character that cannot start any token
+STR
+DOC ---
+MAP
=VAL :a
invalid_correct
Exception:
yaml-cpp: error at line 3, column 3: illegal map value
+STR
+DOC
+MAP
=VAL :a
=VAL :b
invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 1, Col: 1, Idx: 0) - (Line: 1, Col: 1, Idx: 0): While scanning a mapping, found invalid tab as indentation.
at YamlDotNet.Core.Scanner.FetchNextToken()
at YamlDotNet.Core.Scanner.FetchMoreTokens()
at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
at YamlDotNet.Core.Parser.GetCurrentToken()
at YamlDotNet.Core.Parser.ParseBlockMappingValue()
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 ---
+MAP
=VAL :a
invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 1, Col: 1, Idx: 0) - (Line: 1, Col: 1, Idx: 0): While scanning a mapping, found invalid tab as indentation.
at YamlDotNet.Core.Scanner.FetchNextToken()
at YamlDotNet.Core.Scanner.FetchMoreTokens()
at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
at YamlDotNet.Core.Parser.GetCurrentToken()
at YamlDotNet.Core.Parser.ParseBlockMappingValue()
at YamlDotNet.Core.Parser.StateMachine()
at YamlDotNet.Core.Parser.MoveNext()
at YamlDotNet.Core.ParserExtensions.TryConsume[T](IParser parser, T& event)
at YamlDotNet.Serialization.NodeDeserializers.ScalarNodeDeserializer.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.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.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)
invalid_correct
yaml: line 3: found character that cannot start any token
invalid_correct
Parsing error near byte offset Pos {posByteOffset = 7, posCharOffset = 7, posLine = 3, posColumn = 0} (Unexpected ' ')
+STR
+DOC ---
+MAP
=VAL :a
=VAL :
-MAP
-DOC
invalid_correct
hsyaml-parser: user error (Unexpected ' ')
invalid_correct
/node/node_modules/js-yaml/lib/loader.js:187
throw generateError(state, message);
^
YAMLException: tab characters must not be used in indentation (3:1)
1 | ---
2 | a:
3 | →b:
-----^
4 | →→c: value
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 readBlockMapping (/node/node_modules/js-yaml/lib/loader.js:1062:7)
at composeNode (/node/node_modules/js-yaml/lib/loader.js:1441:12)
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: 'tab characters must not be used in indentation',
mark: {
name: null,
buffer: '---\na:\n\tb:\n\t\tc: value\n',
position: 7,
line: 2,
column: 0,
snippet: ' 1 | ---\n 2 | a:\n 3 | →b:\n-----^\n 4 | →→c: value'
}
}
Node.js v20.13.1
invalid_correct
Tabs are not allowed as indentation at line 3, column 1:
a:
b:
^
+STR
+DOC ---
+MAP
=VAL :a
=VAL :
invalid_correct
/yaml/bin/js-yaml-json:9
if (doc.errors.length !== 0) throw doc.errors[0]
^
YAMLParseError: Tabs are not allowed as indentation at line 3, column 1:
a:
b:
^
at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:69:34)
at Object.resolveProps (/node/node_modules/yaml/dist/compose/resolve-props.js:135:9)
at Object.resolveBlockMap (/node/node_modules/yaml/dist/compose/resolve-block-map.js:64:41)
at resolveCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:13:27)
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)
at Object.composeDoc (/node/node_modules/yaml/dist/compose/compose-doc.js:34:23)
at Composer.next (/node/node_modules/yaml/dist/compose/composer.js:149:40)
at next (<anonymous>)
at Composer.compose (/node/node_modules/yaml/dist/compose/composer.js:131:25) {
code: 'TAB_AS_INDENT',
pos: [ 7, 8 ],
linePos: [ { line: 3, col: 1 }, { line: 3, col: 2 } ]
}
Node.js v20.13.1
invalid_correct
luajit: 2:1: found character that cannot start any token
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:378: 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 0x55c804caded0
invalid_correct
Line : 3
Column : 1
Expected : ALIAS COLON DOC_END DOC_START EOL PLAIN QUESTION QUOTED
Got : WS
Where : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML : "\tb:\n"
at /yaml/bin/perl-pp-event line 46.
+STR
+DOC ---
+MAP
=VAL :a
=VAL :
invalid_correct
Line : 3
Column : 1
Expected : ALIAS COLON DOC_END DOC_START EOL PLAIN QUESTION QUOTED
Got : WS
Where : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML : "\tb:\n"
at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.
invalid_correct
Line : 3
Column : 1
Expected : ALIAS COLON DOC_END DOC_START EOL PLAIN QUESTION QUOTED
Got : WS
Where : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML : "\tb:\n"
at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.
invalid_correct
YAML::PP::LibYAML Error: The problem:
found character that cannot start any token
was found at , line: 3, column: 1
while scanning for the next token at line: 3, column: 1
invalid_correct
YAML::PP::LibYAML Error: The problem:
found character that cannot start any token
was found at , line: 3, column: 1
while scanning for the next token at line: 3, column: 1
invalid_correct
Parser finished before end of input at /perl5/lib/perl5/YAML/Parser.pm line 4056, <> line 1.
invalid_correct
Syck parser (line 3, column 3): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.
invalid_correct
Syck parser (line 3, column 3): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.
invalid_correct
YAML::XS::Load Error: The problem:
found character that cannot start any token
was found at document: 1, line: 3, column: 1
while scanning for the next token at line: 3, column: 1
invalid_correct
YAML::XS::Load Error: The problem:
found character that cannot start any token
was found at document: 1, line: 3, column: 1
while scanning for the next token at line: 3, column: 1
invalid_correct
YAML Error: YAML_PARSE_ERR_NONSPACE_INDENTATION
Code: YAML_PARSE_ERR_NONSPACE_INDENTATION
Line: 3
Document: 1
at /perl5/lib/perl5/YAML/Loader.pm line 748.
invalid_correct
YAML Error: YAML_PARSE_ERR_NONSPACE_INDENTATION
Code: YAML_PARSE_ERR_NONSPACE_INDENTATION
Line: 3
Document: 1
at /perl5/lib/perl5/YAML/Loader.pm line 748.
invalid_correct
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 449, in parse_block_mapping_value
if not self.check_token(KeyToken, ValueToken, 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 258, in fetch_more_tokens
raise ScannerError("while scanning for the next token", None,
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
in "<unicode string>", line 3, column 1:
b:
^
+STR
+DOC ---
+MAP
=VAL :a
invalid_correct
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 84, in compose_node
node = self.compose_mapping_node(anchor)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/yaml/composer.py", line 133, in compose_mapping_node
item_value = self.compose_node(node, item_key)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/yaml/composer.py", line 64, in compose_node
if self.check_event(AliasEvent):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 449, in parse_block_mapping_value
if not self.check_token(KeyToken, ValueToken, 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 258, in fetch_more_tokens
raise ScannerError("while scanning for the next token", None,
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
in "<unicode string>", line 3, column 1:
b:
^
invalid_correct
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 84, in compose_node
node = self.compose_mapping_node(anchor)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/yaml/composer.py", line 133, in compose_mapping_node
item_value = self.compose_node(node, item_key)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/yaml/composer.py", line 64, in compose_node
if self.check_event(AliasEvent):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 449, in parse_block_mapping_value
if not self.check_token(KeyToken, ValueToken, 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 258, in fetch_more_tokens
raise ScannerError("while scanning for the next token", None,
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
in "<unicode string>", line 3, column 1:
b:
^
invalid_correct
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 631, in parse_block_mapping_value
if self.scanner.check_token(ValueToken):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 313, in fetch_more_tokens
raise ScannerError(
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
in "<unicode string>", line 3, column 1:
b:
^ (line: 3)
+STR
+DOC ---
+MAP
=VAL :a
invalid_correct
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 130, in compose_node
node = self.compose_mapping_node(anchor)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 211, in compose_mapping_node
item_value = self.compose_node(node, item_key)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 106, in compose_node
if self.parser.check_event(AliasEvent):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 631, in parse_block_mapping_value
if self.scanner.check_token(ValueToken):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 313, in fetch_more_tokens
raise ScannerError(
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
in "<unicode string>", line 3, column 1:
b:
^ (line: 3)
invalid_correct
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 130, in compose_node
node = self.compose_mapping_node(anchor)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 211, in compose_mapping_node
item_value = self.compose_node(node, item_key)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 106, in compose_node
if self.parser.check_event(AliasEvent):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 631, in parse_block_mapping_value
if self.scanner.check_token(ValueToken):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 313, in fetch_more_tokens
raise ScannerError(
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
in "<unicode string>", line 3, column 1:
b:
^ (line: 3)
invalid_correct
/ruby/gems/psych/lib/psych.rb:458:in `parse': (<unknown>): found character that cannot start any token while scanning for the next token at line 3 column 1 (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>'