[QE-developers] pwgui problem in qe 7.0 on Centos 7

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I have two questions. My OS is centos 7.9

1. I downloaded and managed to install qe-7.0 without problems (except for pwgui — see question two). When I try to run the tests in the test-suite directory, the download of the pseudopotentials executed by check_pseudo.sh fails. It appears that the ps are not in the specified location on the web.  Where can I get the ps required for the test-suite?

2. pwgui fails with the message below: Iwidgets *is* installed on the system. (iwidgets.noarch                              4.0.2-9.el7          @epel    ). Any solutions known?


 ==================================================
  This is PWgui version: 7.0
 --------------------------------------------------


 PWgui: using the system default "tclsh" interpreter

 PWGUI       : /data/Software/qe-7.0/GUI/PWgui
 GUIB engine : /data/Software/qe-7.0/GUI/PWgui/lib/Guib-0.6

can't find package Iwidgets
    while executing
"package require Iwidgets "
    (file "/data/Software/qe-7.0/GUI/PWgui/lib/Guib-0.6/init.tcl" line 15)
    invoked from within
"source /data/Software/qe-7.0/GUI/PWgui/lib/Guib-0.6/init.tcl"
    ("package ifneeded Guib 0.6" script)
    invoked from within
"package require Guib 0.5"
    (file "/data/Software/qe-7.0/GUI/PWgui/init.tcl" line 5)
    invoked from within
"source [file join $env(PWGUI) init.tcl]"
    (file "/data/Software/qe-7.0/GUI/PWgui/pwgui.tcl" line 60)

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