Seq is not supported

[someilay]

Code:

[] > test
  seq > @
    0

Error:

java.lang.RuntimeException: java.io.FileNotFoundException: src/seq.eo (No such file or directory)
	at org.cactoos.text.UncheckedText.lambda$new$0(UncheckedText.java:67)
	at org.cactoos.func.UncheckedFunc.lambda$apply$0(UncheckedFunc.java:56)
	at org.cactoos.scalar.Checked.value(Checked.java:76)
	at org.cactoos.scalar.IoChecked.value(IoChecked.java:63)
	at org.cactoos.scalar.Unchecked.value(Unchecked.java:56)
	at org.cactoos.func.UncheckedFunc.apply(UncheckedFunc.java:57)
	at org.cactoos.text.UncheckedText.asString(UncheckedText.java:91)
	at org.cactoos.text.Split.<init>(Split.java:154)
	at org.cactoos.text.Split.<init>(Split.java:139)
	at org.cactoos.text.Split.<init>(Split.java:97)
	at org.eolang.parser.Syntax.lines(Syntax.java:159)
	at org.eolang.parser.Syntax.parse(Syntax.java:93)
	at org.polystat.Program.apply(Program.java:85)
	at org.polystat.Program.apply(Program.java:49)
	at org.polystat.AnOdin.resolveObjectHierarchy(AnOdin.java:98)
	at org.polystat.AnOdin.getObjectsHierarchy(AnOdin.java:76)
	at org.polystat.AnOdin.errors(AnOdin.java:47)
	at org.polystat.Polystat.scan(Polystat.java:137)
	at org.polystat.Polystat.call(Polystat.java:114)
	at org.polystat.Polystat.call(Polystat.java:55)
	at picocli.CommandLine.executeUserObject(CommandLine.java:1953)
	at picocli.CommandLine.executeHelpRequest(CommandLine.java:1929)
	at picocli.CommandLine.executeHelpRequest(CommandLine.java:1909)
	at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2176)
	at picocli.CommandLine$RunLast.execute(CommandLine.java:2316)
	at picocli.CommandLine.execute(CommandLine.java:2078)
	at org.polystat.Polystat.main(Polystat.java:107)
Caused by: java.io.FileNotFoundException: src/seq.eo (No such file or directory)
	at java.base/java.io.FileInputStream.open0(Native Method)
	at java.base/java.io.FileInputStream.open(FileInputStream.java:211)
	at java.base/java.io.FileInputStream.<init>(FileInputStream.java:153)
	at org.cactoos.io.InputOf.lambda$new$2(InputOf.java:76)
	at org.cactoos.io.InputOf.stream(InputOf.java:310)
	at org.cactoos.io.TeeInput.stream(TeeInput.java:867)
	at org.cactoos.io.InputAsBytes.asBytes(InputAsBytes.java:77)
	at org.cactoos.io.BytesOf.asBytes(BytesOf.java:341)
	at org.cactoos.text.TextOf.lambda$new$0(TextOf.java:297)
	at org.cactoos.scalar.Checked.value(Checked.java:76)
	at org.cactoos.scalar.IoChecked.value(IoChecked.java:63)
	at org.cactoos.text.TextEnvelope.asString(TextEnvelope.java:65)
	at org.cactoos.text.UncheckedText.asString(UncheckedText.java:88)
	... 20 more