ntfy[xmpp] trying to install dnspython3 with python2

[rosenbergj]

# pip install dnspython

Requirement already satisfied: dnspython in /usr/lib/python2.7/dist-packages

# pip install ntfy[xmpp]

Requirement already satisfied: ntfy[xmpp] in /usr/local/lib/python2.7/dist-packages
Requirement already satisfied: requests in /usr/lib/python2.7/dist-packages (from ntfy[xmpp])
Requirement already satisfied: ruamel.yaml in /usr/local/lib/python2.7/dist-packages (from ntfy[xmpp])
Requirement already satisfied: appdirs in /usr/local/lib/python2.7/dist-packages (from ntfy[xmpp])
Collecting sleekxmpp; extra == "xmpp" (from ntfy[xmpp])
  Using cached sleekxmpp-1.3.1.tar.gz
Collecting dnspython3; extra == "xmpp" (from ntfy[xmpp])
  Using cached dnspython3-1.15.0.zip
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-5wjuwe/dnspython3/setup.py", line 25
        """+"="*78, file=sys.stdout)
                        ^
    SyntaxError: invalid syntax

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-5wjuwe/dnspython3/

[dschep]

That's very odd, ntfy's setup.py should pick the right version: https://github.com/dschep/ntfy/blob/master/setup.py#L12

What distro are you using and are you using a virtualenv?

[rosenbergj]

Linux Mint 18, no virtualenv.

[cryoff]

I am running into the same issue. My version of python:

python -V Python 2.7.12

Linux distribution:

lsb_release -a Description: Ubuntu 16.04.1 LTS Release: 16.04 Codename: xenial

No virtualenv is used

[Piskvor]

Same issue, no virtualenv.

python -V
Python 2.7.13

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 17.04
Release:        17.04
Codename:       zesty