PyFile:FStringTerminatedByQuoteInsideStringLiteralInFormatPart.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {42:{"}}'
      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)('{')
              PyStringLiteralExpression: 
                PsiElement(Py:SINGLE_QUOTED_STRING)('"')
              PsiErrorElement:} expected
                <empty list>
        PsiElement(Py:FSTRING_END)(''')
      PsiElement(Py:SINGLE_QUOTED_STRING)('"}}'')