Upgrade to 2026r1 fails wich pip error

[wagnbeu0]

I try to upgrade my existing 2024 installation to 2026r1, but the installer gives me this error back:

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Complete!
Last metadata expiration check: 3:38:13 ago on Wed 08 Oct 2025 07:44:00 AM CEST.
Package nagiosxi-deps-el8-2026r1-1.noarch is already installed.
Dependencies resolved.
Nothing to do.
Complete!
/bin/python: No module named pip

I am using RHEL 8.10

following python modules are installed:

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[root@server tmp]# python -m pip list
Package         Version
--------------- -----------
boto3           1.39.2
botocore        1.39.2
cffi            1.14.3
chardet         3.0.4
cryptography    3.3.1
idna            2.10
jmespath        1.0.1
lxml            4.6.5
ntlm-auth       1.5.0
numpy           1.19.4
pip             20.2.4
ply             3.11
pycparser       2.20
PySocks         1.7.1
python-dateutil 2.9.0.post0
pywinrm         0.4.3
requests        2.25.0
requests-ntlm   1.1.0
rrdtool         0.1.16
s3transfer      0.13.0
setuptools      50.3.2
six             1.15.0
urllib3         1.25.10
xmltodict       0.12.0

Whan can I do here?

[wagnbeu0]

Ah, the following steps solved the problem:

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$ python -m venv myenv
$ source myenv/bin/activate
$ pip install requests

[nagios-dnelson]

THANK YOU for posting again after finding your own solution! Not many people do that sort of thing, but we all benefit when it happens.

[man_cs]

Received same error during upgrade to 2026r1.1.1-1 (Oracle Linunx 8.10)

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Package nagiosxi-deps-el8-2026r1.1.1-1.noarch is already installed.
Dependencies resolved.
Nothing to do.
Complete!
/bin/python: No module named pip

It requires python3 requests for python38
Resolved by installing:

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dnf install python38-requests

Your Nagios XI installation is up to date.
Latest Available Version: 2026R1.1.1
Installed Version: 2026R1.1.1