PyFile:FStringTerminatedByQuoteOfNestedFStringLiteral.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {f"{f
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('f'')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyStringLiteralExpression: {f
            PyFormattedStringElement
              PsiElement(Py:FSTRING_START)('f"')
              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)(''}"}'')