PyFile:TemplateStringInsideFString.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {t''}
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('f"')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyStringLiteralExpression: 
            PyFormattedStringElement
              PsiElement(Py:FSTRING_START)('t'')
              PsiElement(Py:FSTRING_END)(''')
          PsiElement(Py:FSTRING_FRAGMENT_END)('}')
        PsiElement(Py:FSTRING_END)('"')