PyFile:RaiseFromNoExpr.py
  PyFunction('f')
    PsiElement(Py:DEF_KEYWORD)('def')
    PsiWhiteSpace(' ')
    PsiElement(Py:IDENTIFIER)('f')
    PyParameterList
      PsiElement(Py:LPAR)('(')
      PsiElement(Py:RPAR)(')')
    PsiElement(Py:COLON)(':')
    PsiWhiteSpace('\n    ')
    PyStatementList
      PyRaiseStatement
        PsiElement(Py:RAISE_KEYWORD)('raise')
        PsiWhiteSpace(' ')
        PyReferenceExpression: AttributeError
          PsiElement(Py:IDENTIFIER)('AttributeError')
        PsiWhiteSpace(' ')
        PsiElement(Py:FROM_KEYWORD)('from')
        PsiErrorElement:Expression expected
          <empty list>