can't read "dir": no such variable
    while executing
"file join $dir snit2.tcl"
    invoked from within
"if {[package vsatisfies [package provide Tcl] 8.5]} {
    package ifneeded snit 2.3.2 \
        [list source [file join $dir snit2.tcl]]
}"
    (in namespace eval "::request" script line 1)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
if {[package vsatisfies [package provide Tcl] 8.5]} {
    package ifneeded snit 2.3.2 \
        [list source [file join $dir snit2.tcl]]
}

package ifneeded snit 1.4.2 [list source [file join $dir snit.tcl]]