PyFile:FStringTerminatedByQuoteOfNestedFStringLiteralInFormatPart.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {f"{42:{f
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('f'')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyStringLiteralExpression: {42:{f
            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)('{')
                    PyReferenceExpression: f
                      PsiElement(Py:IDENTIFIER)('f')
                    PsiErrorElement:} expected
                      <empty list>
              PsiErrorElement:" expected
                <empty list>
        PsiElement(Py:FSTRING_END)(''')
    PsiErrorElement:End of statement expected
      <empty list>
  PyExpressionStatement
    PyReferenceExpression: foo
      PsiElement(Py:IDENTIFIER)('foo')
    PsiErrorElement:End of statement expected
      <empty list>
  PyExpressionStatement
    PyStringLiteralExpression: }}"}
      PsiElement(Py:SINGLE_QUOTED_STRING)(''}}"}'')