PyFile:EllipsisInSliceList.py
  PyAssignmentStatement
    PyTargetExpression: y
      PsiElement(Py:IDENTIFIER)('y')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PySubscriptionExpression
      PyReferenceExpression: x
        PsiElement(Py:IDENTIFIER)('x')
      PsiElement(Py:LBRACKET)('[')
      PyTupleExpression
        PyNoneLiteralExpression
          PsiElement(Py:DOT)('.')
          PsiElement(Py:DOT)('.')
          PsiElement(Py:DOT)('.')
        PsiElement(Py:COMMA)(',')
        PsiWhiteSpace(' ')
        PyNumericLiteralExpression
          PsiElement(Py:INTEGER_LITERAL)('0')
      PsiElement(Py:RBRACKET)(']')
