PyFile:PatternMatchingRecoveryIllegalExpressionInSequencePatternItem.py
  PyMatchStatement
    PsiElement(Py:MATCH_KEYWORD)('match')
    PsiWhiteSpace(' ')
    PyReferenceExpression: x
      PsiElement(Py:IDENTIFIER)('x')
    PsiElement(Py:COLON)(':')
    PsiWhiteSpace('\n    ')
    PyCaseClause
      PsiElement(Py:CASE_KEYWORD)('case')
      PsiWhiteSpace(' ')
      PySequencePattern
        PsiElement(Py:LPAR)('(')
        PyLiteralPattern
          PyNumericLiteralExpression
            PsiElement(Py:INTEGER_LITERAL)('1')
        PsiElement(Py:COMMA)(',')
        PsiWhiteSpace(' ')
        PyLiteralPattern
          PyBinaryExpression
            PyNumericLiteralExpression
              PsiElement(Py:INTEGER_LITERAL)('2')
            PsiWhiteSpace(' ')
            PsiElement(Py:PLUS)('+')
            PsiErrorElement:Number expected
              <empty list>
        PsiWhiteSpace(' ')
        PsiErrorElement:Unexpected tokens
          PsiElement(Py:LPAR)('(')
          PsiElement(Py:INTEGER_LITERAL)('3')
          PsiWhiteSpace(' ')
          PsiElement(Py:DIV)('/')
          PsiWhiteSpace(' ')
          PsiElement(Py:INTEGER_LITERAL)('4')
          PsiElement(Py:RPAR)(')')
        PsiElement(Py:RPAR)(')')
      PsiElement(Py:COLON)(':')
      PsiWhiteSpace('\n        ')
      PyStatementList
        PyPassStatement
          PsiElement(Py:PASS_KEYWORD)('pass')
    PsiWhiteSpace('\n    ')
    PyCaseClause
      PsiElement(Py:CASE_KEYWORD)('case')
      PsiWhiteSpace(' ')
      PySequencePattern
        PsiElement(Py:LPAR)('(')
        PyLiteralPattern
          PyNumericLiteralExpression
            PsiElement(Py:INTEGER_LITERAL)('1')
        PsiWhiteSpace(' ')
        PsiErrorElement:Unexpected tokens
          PsiElement(Py:LTLT)('<<')
          PsiWhiteSpace(' ')
          PsiElement(Py:LPAR)('(')
          PsiElement(Py:INTEGER_LITERAL)('2')
          PsiWhiteSpace(' ')
          PsiElement(Py:DIV)('/')
          PsiWhiteSpace(' ')
          PsiElement(Py:INTEGER_LITERAL)('3')
          PsiElement(Py:RPAR)(')')
        PsiElement(Py:COMMA)(',')
        PsiWhiteSpace(' ')
        PyLiteralPattern
          PyNumericLiteralExpression
            PsiElement(Py:INTEGER_LITERAL)('4')
        PsiElement(Py:RPAR)(')')
      PsiElement(Py:COLON)(':')
      PsiWhiteSpace('\n        ')
      PyStatementList
        PyPassStatement
          PsiElement(Py:PASS_KEYWORD)('pass')