PyFile:FStringNotTerminatedByLineBreakInNestedExpressionInFormatPart.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {f'{42:{1 +
2}}'}
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('f"')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyStringLiteralExpression: {42:{1 +
2}}
            PyFormattedStringElement
              PsiElement(Py:FSTRING_START)('f'')
              PyFStringFragment
                PsiElement(Py:FSTRING_FRAGMENT_START)('{')
                PyNumericLiteralExpression
                  PsiElement(Py:INTEGER_LITERAL)('42')
                PyFStringFragmentFormatPart
                  PsiElement(Py:FSTRING_FRAGMENT_FORMAT_START)(':')
                  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_FRAGMENT_END)('}')
              PsiElement(Py:FSTRING_END)(''')
          PsiElement(Py:FSTRING_FRAGMENT_END)('}')
        PsiElement(Py:FSTRING_END)('"')