#;1> (print "hi") (sleep 2)
hi
s0 ; <- typed while sleeping

Error: (open-input-string) bad argument type - not a string: #f

        Call history:

        parley.scm:294: loop      
        parley.scm:291: reverse   
        list->string      
        parley.scm:291: string-split      
        parley.scm:292: values    
        list->string      
        parley.scm:591: call-with-input-string    
        parley.scm:595: peek-char         
        parley.scm:607: restore-terminal-settings         
        parley.scm:166: stty#set-terminal-attributes!     
        stty.scm:208: port?       
        stty.scm:208: port->fileno        
        parley.scm:612: call-with-current-continuation    
        parley.scm:612: with-exception-handler    
        parley.scm:612: ##sys#call-with-values    
        parley.scm:612: with-input-from-string          <--
hi
0
#;5>