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

            PyFormattedStringElement
              PsiElement(Py:FSTRING_START)('f'''')
              PsiElement(Py:FSTRING_TEXT)('\n')
              PyFStringFragment
                PsiElement(Py:FSTRING_FRAGMENT_START)('{')
                PyStringLiteralExpression: bar
                  PsiElement(Py:SINGLE_QUOTED_STRING)('"bar"')
                PsiWhiteSpace('\n')
                PsiElement(Py:FSTRING_FRAGMENT_END)('}')
              PsiElement(Py:FSTRING_TEXT)('\n')
              PsiElement(Py:FSTRING_END)(''''')
          PsiWhiteSpace('\n')
          PsiElement(Py:FSTRING_FRAGMENT_END)('}')
        PsiElement(Py:FSTRING_END)('"""')