PyFile:FStringNotTerminatedByLineBreakInNestedExpression.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {f'{1 +
2}'}
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('f"')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyStringLiteralExpression: {1 +
2}
            PyFormattedStringElement
              PsiElement(Py:FSTRING_START)('f'')
              PyFStringFragment
                PsiElement(Py:FSTRING_FRAGMENT_START)('{')
                PyBinaryExpression
                  PyNumericLiteralExpression
                    PsiElement(Py:INTEGER_LITERAL)('1')
                  PsiWhiteSpace(' ')
                  PsiElement(Py:PLUS)('+')
                  PsiWhiteSpace('\n')
                  PyNumericLiteralExpression
                    PsiElement(Py:INTEGER_LITERAL)('2')
                PsiElement(Py:FSTRING_FRAGMENT_END)('}')
              PsiElement(Py:FSTRING_END)(''')
          PsiElement(Py:FSTRING_FRAGMENT_END)('}')
        PsiElement(Py:FSTRING_END)('"')