can't read "dir": no such variable
    while executing
"file join $dir uri.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] 8.2]} {
    # FRINK: nocheck
    return
}
package ifneeded uri      1.2.6 [list source [file join $dir uri.tcl]]
package ifneeded uri::urn 1.0.3 [list source [file join $dir urn-scheme.tcl]]