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