can't read "dir": no such variable
    while executing
"file join $dir token.tcl"
    (in namespace eval "::request" script line 5)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
if {![package vsatisfies [package provide Tcl] 8.5]} {
    # FRINK: nocheck
    return
}
package ifneeded string::token        1   [list source [file join $dir token.tcl]]
package ifneeded string::token::shell 1.2 [list source [file join $dir token_shell.tcl]]