Installation error: No .egg-info directory found in /tmp/pip-pip-egg-info-ZpoKEX

[WaterHyacinthInNANHU]

Hi!
When I execute sudo pip install python-igraph --upgrade I got the following error

yan@yan-Inspiron-7559:~/3DSAR/tools/calibration/kalibr_docker_ws$ sudo pip install python-igraph --upgrade
[sudo] password for yan: 
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip 21.0 will remove support for this functionality.
WARNING: The directory '/home/yan/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting python-igraph
  Downloading python-igraph-0.9.0.tar.gz (3.4 MB)
     |████████████████████████████████| 3.4 MB 343 kB/s 
ERROR: No .egg-info directory found in /tmp/pip-pip-egg-info-ZpoKE

ERROR: No .egg-info directory found in /tmp/pip-pip-egg-info-ZpoKE
Could anyone help me out?

[WaterHyacinthInNANHU]

Fixed by running sudo pip install python-igraph==0.7.1-4 instead.
References:

If you are still using Python 2.7, python-igraph 0.8.x is the latest version that you should attempt to install.
--igraph official

&&

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