Not enough space left for a swap file - error installation seafile and stuck in ban section

[sysop]

My YunoHost server

Hardware: corei7 with gigabyte motherboard installed ESXi 6.7.0 update2
**YunoHost version: 4.3.6.2 (stable)
**I have access to my server: through the web admin | direct access via keyboard/screen via ESXi web panel.
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ?: no

Description of my issue

The screenshot below tells the story.

after two hours it’s still there.

Please suggest me what can I do now.

[rungeard]

regarding numpy and scipy error did you try

pip3 install numpy --upgrade
pip3 install scipy --upgrade

?

[sysop]

Nop!
Also, i am concerned about swap space!!

Note: my seafile is working. and I’m not an expert.

Edit: I increase the swap space by 2gb
and its installd with a warning. scripy does not install correctly.