PyFile:MissingParenInCall.py
  PyFunction('get_key')
    PsiElement(Py:DEF_KEYWORD)('def')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('get_key')
    PyParameterList
      PsiElement(Py:LPAR)('(')
      PsiElement(Py:RPAR)(')')
    PsiElement(Py:COLON)(':')
    PsiWhiteSpace('\n    ')
    PyStatementList
      PyIfStatement
        PyIfPartIf
          PsiElement(Py:IF_KEYWORD)('if')
          PsiWhiteSpace(' ')
          PyCallExpression: isinstance
            PyReferenceExpression: isinstance
              PsiElement(Py:IDENTIFIER)('isinstance')
            PyArgumentList
              PsiElement(Py:LPAR)('(')
              PyReferenceExpression: instance
                PyReferenceExpression: self
                  PsiElement(Py:IDENTIFIER)('self')
                PsiElement(Py:DOT)('.')
                PsiElement(Py:IDENTIFIER)('instance')
              PsiElement(Py:COMMA)(',')
              PsiErrorElement:expression expected
                <empty list>
          PsiWhiteSpace('\n\n')
          PyStatementList
            PsiErrorElement:Indent expected
              <empty list>
  PyFunction('clean')
    PsiElement(Py:DEF_KEYWORD)('def')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('clean')
    PyParameterList
      PsiElement(Py:LPAR)('(')
      PsiElement(Py:RPAR)(')')
    PsiElement(Py:COLON)(':')
    PsiWhiteSpace('\n    ')
    PyStatementList
      PyPassStatement
        PsiElement(Py:PASS_KEYWORD)('pass')