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Installation fails with Command "python setup.py egg_info" failed with error code 1

See original GitHub issue

Description

Could you please explain what do I do wrong? I tried to install pgcli as written at https://www.pgcli.com/

pip install pgcli

also tried with sudo

sudo pip install pgcli

in both cases it failed as

Collecting pgcli
  Downloading https://files.pythonhosted.org/packages/5a/2a/9821c4a30d79fafdefeff7b071639b0968e1d54710430f2da16f8124fc37/pgcli-2.1.1.tar.gz (115kB)
    100% |████████████████████████████████| 122kB 1.1MB/s 
Requirement already satisfied: Pygments>=2.0 in /home/serg/.local/lib/python2.7/site-packages (from pgcli) (2.4.2)
Collecting cli_helpers[styles]>=1.2.0 (from pgcli)
  Downloading https://files.pythonhosted.org/packages/b1/7e/f2658b0e7cb3d4ab75d4dd5c275605ae89e56ba889dc086a0aefe6a89048/cli_helpers-1.2.1-py2-none-any.whl
Requirement already satisfied: click>=4.1 in /home/serg/.local/lib/python2.7/site-packages (from pgcli) (6.7)
Collecting configobj>=5.0.6 (from pgcli)
  Downloading https://files.pythonhosted.org/packages/64/61/079eb60459c44929e684fa7d9e2fdca403f67d64dd9dbac27296be2e0fab/configobj-5.0.6.tar.gz
Collecting humanize>=0.5.1 (from pgcli)
  Downloading https://files.pythonhosted.org/packages/8c/e0/e512e4ac6d091fc990bbe13f9e0378f34cf6eecd1c6c268c9e598dcf5bb9/humanize-0.5.1.tar.gz
Collecting pgspecial>=1.11.5 (from pgcli)
  Downloading https://files.pythonhosted.org/packages/0f/32/0a9808afefbf7a723be123065031089f51d1d6ff3f2595a10d8e7561ed6c/pgspecial-1.11.7.tar.gz (62kB)
    100% |████████████████████████████████| 71kB 986kB/s 
Collecting prompt_toolkit<2.1.0,>=2.0.6 (from pgcli)
  Downloading https://files.pythonhosted.org/packages/c8/ab/10d2c114828bd20ca0d757acee37ab5a7bae588139739b24d6cd3f45f8de/prompt_toolkit-2.0.9-py2-none-any.whl (337kB)
    100% |████████████████████████████████| 337kB 725kB/s 
Collecting psycopg2>=2.7.4 (from pgcli)
  Downloading https://files.pythonhosted.org/packages/5c/1c/6997288da181277a0c29bc39a5f9143ff20b8c99f2a7d059cfb55163e165/psycopg2-2.8.3.tar.gz (377kB)
    100% |████████████████████████████████| 378kB 597kB/s 
    Complete output from command python setup.py egg_info:
    running egg_info
    creating pip-egg-info/psycopg2.egg-info
    writing pip-egg-info/psycopg2.egg-info/PKG-INFO
    writing top-level names to pip-egg-info/psycopg2.egg-info/top_level.txt
    writing dependency_links to pip-egg-info/psycopg2.egg-info/dependency_links.txt
    writing manifest file 'pip-egg-info/psycopg2.egg-info/SOURCES.txt'
    Error: You need to install postgresql-server-dev-NN for building a server-side extension or libpq-dev for building a client-side application.
    
    
    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-aXjlLh/psycopg2/

Your environment

Please provide your OS and version information. Ubunu 19.04
Please provide your CLI version. no cli (just try to install it)
What is the output of pip freeze command.

arandr==0.1.9
asn1crypto==0.24.0
backports.functools-lru-cache==1.5
beautifulsoup4==4.7.1
bs4==0.0.1
certifi==2019.6.16
click==6.7
configparser==3.5.0b2
cryptography==2.3
entrypoints==0.3
enum34==1.1.6
fuzzyfinder==2.1.0
httplib2==0.13.0
idna==2.6
ipaddress==1.0.17
keyring==17.1.1
keyrings.alt==3.1.1
kube-shell==0.0.23
kubernetes==2.0.0
lxml==4.3.3
oauth2client==4.1.3
prompt-toolkit==1.0.16
pyasn1==0.4.5
pyasn1-modules==0.2.5
pycairo==1.16.2
pycrypto==2.6.1
Pygments==2.4.2
PyGObject==3.32.0
python-dateutil==2.8.0
pyxdg==0.25
PyYAML==5.1.1
rsa==4.0
SecretStorage==2.3.1
six==1.12.0
snxvpn==1.2
soupsieve==1.9
urllib3==1.25.3
wcwidth==0.1.7
websocket-client==0.56.0