[Python] GPG check FAILED when installing panopta-agent on centos 9

I am quite new to Centos 9 and when I am trying to do a "dnf install panopta-agent" on centos 9, it fails as "dnf install panopta-agent" . what could be wrong. Here is the full message.

dnf install panopta-agent
CentOS Stream 9 - BaseOS 3.5 MB/s | 8.4 MB 00:02
CentOS Stream 9 - AppStream 18 MB/s | 22 MB 00:01
CentOS Stream 9 - Extras packages 38 kB/s | 20 kB 00:00
Elastic repository for 6.x packages 30 MB/s | 22 MB 00:00
Extra Packages for Enterprise Linux 9 - x86_64 9.6 MB/s | 23 MB 00:02
Extra Packages for Enterprise Linux 9 openh264 (From Cisco) - x86_64 3.2 kB/s | 2.5 kB 00:00
Extra Packages for Enterprise Linux 9 - Next - x86_64 476 kB/s | 233 kB 00:00
Panopta Repository 673 kB/s | 217 kB 00:00
Rancher K3s Common (stable) 7.4 kB/s | 1.5 kB 00:00
Dependencies resolved.
============================================================================================================================================================================================================
Package Architecture Version Repository Size
============================================================================================================================================================================================================
Installing:
panopta-agent x86_64 2022.47.1-0.1 panopta.repo 8.4 M
Installing dependencies:
libuv x86_64 1:1.42.0-2.el9 appstream 148 k
pcp-conf x86_64 6.3.2-3.el9 appstream 32 k
pcp-libs x86_64 6.3.2-3.el9 appstream 647 k
sysstat x86_64 12.5.4-9.el9 appstream 482 k

Transaction Summary
============================================================================================================================================================================================================
Install 5 Packages

Total download size: 9.7 M
Installed size: 30 M
Is this ok [y/N]: y
Downloading Packages:
(1/5): pcp-conf-6.3.2-3.el9.x86_64.rpm 104 kB/s | 32 kB 00:00
(2/5): libuv-1.42.0-2.el9.x86_64.rpm 343 kB/s | 148 kB 00:00
(3/5): panopta-agent-2022.47.1-0.1.x86_64.rpm 28 MB/s | 8.4 MB 00:00
(4/5): pcp-libs-6.3.2-3.el9.x86_64.rpm 852 kB/s | 647 kB 00:00
(5/5): sysstat-12.5.4-9.el9.x86_64.rpm 1.0 MB/s | 482 kB 00:00
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 9.2 MB/s | 9.7 MB 00:01
warning: Signature not supported. Hash algorithm SHA1 not available.
warning: Signature not supported. Hash algorithm SHA1 not available.
Problem opening package panopta-agent-2022.47.1-0.1.x86_64.rpm
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'dnf clean packages'.
Error: GPG check FAILED

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