can't read "dir": no such variable
    while executing
"file join $dir otp.tcl"
    (in namespace eval "::request" script line 3)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
# pkgIndex.tcl -*- tcl -*-
if {![package vsatisfies [package provide Tcl] 8.2]} { return }
package ifneeded otp 1.0.0 [list source [file join $dir otp.tcl]]