PyFile:KeywordAsDefaultParameterValue.py
  PyFunction('select2')
    PsiElement(Py:DEF_KEYWORD)('def')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('select2')
    PyParameterList
      PsiElement(Py:LPAR)('(')
      PyNamedParameter('self')
        PsiElement(Py:IDENTIFIER)('self')
      PsiElement(Py:COMMA)(',')
      PsiWhiteSpace(' ')
      PyNamedParameter('fields')
        PsiElement(Py:IDENTIFIER)('fields')
        PsiElement(Py:EQ)('=')
        PsiErrorElement:expression expected
          PsiElement(Py:FROM_KEYWORD)('from')
      PsiElement(Py:RPAR)(')')
    PsiElement(Py:COLON)(':')
    PsiWhiteSpace('\n    ')
    PyStatementList
      PyPassStatement
        PsiElement(Py:PASS_KEYWORD)('pass')