Trivial typo fixes to dynamic_inventory.py
Trivial typo fixes to dynamic_inventory.py

Change-Id: I351ae6d2d02343d2e8308a0985918437c61de356
Signed-off-by: Mohammed Salih Puthenpurayil <89e1fbb8cec0f74e446d4326af1b0121929a8cfd@gmail.com>

cfarquhar/openstack-ansible,openstack/openstack-ansible,yanyao/openstack-ansible,weezer/openstack-ansible,os-cloud/os-ansible-deployment,BjoernT/openstack-ansible,mancdaz/openstack-ansible,stackforge/os-ansible-deployment,BjoernT/os-ansible-deployment,yanyao/newton,yanyao/newton,cloudnull/os-ansible-deployment,Logan2211/openstack-ansible,bunchc/openstack-ansible,cfarquhar/openstack-ansible,openstack/openstack-ansible,robb-romans/openstack-ansible,mancdaz/openstack-ansible,BjoernT/os-ansible-deployment,stackforge/os-ansible-deployment,cloudnull/os-ansible-deployment,BjoernT/openstack-ansible,os-cloud/os-ansible-deployment,yanyao/openstack-ansible,Logan2211/openstack-ansible,weezer/openstack-ansible,BjoernT/os-ansible-deployment,bunchc/openstack-ansible,robb-romans/openstack-ansible