PyFile:FStringFragmentWithNotParenthesizedLambda.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {lambda x: 42}
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('f'')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyLambdaExpression
            PsiElement(Py:LAMBDA_KEYWORD)('lambda')
            PsiWhiteSpace(' ')
            PyParameterList
              PyNamedParameter('x')
                PsiElement(Py:IDENTIFIER)('x')
              PsiErrorElement:',' or '(' or ')' expected
                <empty list>
          PyFStringFragmentFormatPart
            PsiElement(Py:FSTRING_FRAGMENT_FORMAT_START)(':')
            PsiElement(Py:FSTRING_TEXT)(' 42')
          PsiElement(Py:FSTRING_FRAGMENT_END)('}')
        PsiElement(Py:FSTRING_END)(''')