gofish> packages
All imported packages:
  ansi    bufio      exec      ioutil  pprof       repl     strings    testing
  ast     bytes      filepath  log     rand        runtime  sync       time   
  atomic  columnize  flag      math    reflect     scanner  syntax     token  
  big     errors     fmt       os      reflectext  sort     syscall    unicode
  binary  eval       io        parser  regexp      strconv  tabwriter  utf8   

gofish> pkg `encoding/json`
Package `encoding/json` not imported

gofish> import `encoding/json`
import `encoding/json`
^
parse error: 1:1: expected statement, found 'import'