PyFile:ErrorInParameterList.py
  PyFunction('select2')
    PsiElement(Py:DEF_KEYWORD)('def')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('select2')
    PsiWhiteSpace(' ')
    PyParameterList
      PsiElement(Py:LPAR)('(')
      PyNamedParameter('self')
        PsiElement(Py:IDENTIFIER)('self')
      PsiElement(Py:COMMA)(',')
      PyNamedParameter('filds')
        PsiElement(Py:IDENTIFIER)('filds')
        PsiElement(Py:EQ)('=')
        PyReferenceExpression: None
          PsiElement(Py:IDENTIFIER)('None')
      PsiElement(Py:COMMA)(',')
      PsiWhiteSpace(' ')
      PsiErrorElement:Formal parameter name expected
        PsiElement(Py:FROM_KEYWORD)('from')
        PsiElement(Py:EQ)('=')
        PsiElement(Py:SINGLE_QUOTED_STRING)('''')
      PsiElement(Py:RPAR)(')')
    PsiElement(Py:COLON)(':')
    PsiWhiteSpace('\n        ')
    PyStatementList
      PyPrintStatement
        PsiElement(Py:PRINT_KEYWORD)('print')
        PsiWhiteSpace(' ')
        PyParenthesizedExpression
          PsiElement(Py:LPAR)('(')
          PyReferenceExpression: sql
            PsiElement(Py:IDENTIFIER)('sql')
          PsiElement(Py:RPAR)(')')