tests: remove forgotten print()

3 jobs for master in 32 seconds
Status Name Job ID Coverage
  Test
passed mirror #4140

00:00:32

failed python2 #4138

00:00:17

passed python3 #4139

00:00:27

 
Name Stage Failure
failed
python2 Test There is an unknown failure, please try again
Using Docker executor with image kwant/testing ...
Pulling docker image kwant/testing ...
Running on runner-b582349c-project-2-concurrent-0 via qclab-hpc1...
Cloning repository...
Cloning into '/builds/kwant/tinyarray'...
Checking out 64aaf0be as master...
$ python2 setup.py build_ext -i
/bin/bash: line 44: python2: command not found
ERROR: Build failed: exit code 1