# code without issues
def foo(a, b): pass
def bar(text, pattern): pass
async def baz(x): pass
def qux(*, key): pass
def quux(**kwargs): pass
def corge(*args): pass

# code with issues
def foo({name}): pass
def bar(a, {name}): pass
async def baz({name}, b): pass
def qux(*, {name}): pass
def quux({name}, /, b): pass
def corge(*{name}): pass
def grault(**{name}): pass
def {name}(): pass
