f'{<error descr="Expression fragments inside f-strings cannot include line comments"><error descr="expression expected">#'</error></error><EOLError descr="type conversion, : or } expected"></EOLError><EOLError descr="' expected"></EOLError>
f'{<error descr="Expression fragments inside f-strings cannot include line comments"><error descr="expression expected">#</error></error><EOLError descr="type conversion, : or } expected"></EOLError><EOLError descr="' expected"></EOLError>
f'{<error descr="Expression fragments inside f-strings cannot include line comments"><error descr="expression expected">#foo#}'</error></error><EOLError descr="type conversion, : or } expected"></EOLError><EOLError descr="' expected"></EOLError>
f'{42:#}'
f'{42:{<error descr="Expression fragments inside f-strings cannot include line comments"><error descr="expression expected">#}}'</error></error><EOLError descr="type conversion, : or } expected"></EOLError><EOLError descr="' expected"></EOLError>
f'{x<error descr="type conversion, : or } expected"> </error><error descr="Expression fragments inside f-strings cannot include line comments">### foo}'</error><EOLError descr="' expected"></EOLError>
f'{"###"}'
f'''{[
    42 <error descr="Expression fragments inside f-strings cannot include line comments"># foo</error>
]}'''