Mangled tcl environment

[oharboe]

Describe the bug

sudo apt install tcllib

oyvind@corona:~/OpenROAD-flow-scripts/flow$ tclsh
% package require yaml
0.4.1
%

Whereas:

$ openroad
OpenROAD v2.0-16219-g56c3c86ba 
Features included (+) or not (-): +Charts +GPU +GUI +Python
This program is licensed under the BSD-3 license. See the LICENSE file for details.
Components of this program may be licensed under more restrictive licenses which must be honored.
openroad> package require yaml
error reading package index file /usr/lib/blt2.5/pkgIndex.tcl: Error: pkgIndex.tcl, 59 can't read "dir": no such variable
error reading package index file /usr/lib/tcltk/x86_64-linux-gnu/tclreadline2.3.8/pkgIndex.tcl: Error: pkgIndex.tcl, 11 can't read "dir": no such variable
[etc]
can't find package yaml
while evaluating package require yaml
openroad> 

Also:

$ sta
OpenSTA 2.6.0 20925bb009 Copyright (c) 2024, Parallax Software, Inc.
License GPLv3: GNU GPL version 3 <http://gnu.org/licenses/gpl.html>

This is free software, and you are free to change and redistribute it
under certain conditions; type `show_copying' for details. 
This program comes with ABSOLUTELY NO WARRANTY; for details type `show_warranty'.
sta [~/OpenROAD-flow-scripts/flow] package require yaml
error reading package index file /usr/lib/blt2.5/pkgIndex.tcl: Error: pkgIndex.tcl, 59 can't read "dir": no such variable
[deleted]
while evaluating package require yaml
sta [~/OpenROAD-flow-scripts/flow] 

Expected Behavior

No error

Environment

sta or OpenROAD

To Reproduce

see above

Relevant log output

No response

Screenshots

No response

Additional Context

No response