fix imports

1 job for master in 9 minutes and 39 seconds (queued for 5 seconds)
Status Job ID Name Coverage
failed #4441


Name Stage Failure
failed Test There is an unknown failure, please try again
make[1]: Target 'all' not remade because of errors.
make[1]: Leaving directory '/builds/FP/iris-examples'
Makefile:6: recipe for target 'all' failed
make: *** [all] Error 2

real 0m1.370s
user 0m1.840s
sys 0m0.477s
ERROR: Job failed: exit code 1