If no timezone was provided, do not write out an empty timezone command.
tree375d9f53e6b1f64441903d545c24864500892a42
-rw-r--r-- 62 .gitignore
drwxr-xr-x - .tx
-rw-r--r-- 17982 COPYING
-rw-r--r-- 153 MANIFEST.in
-rw-r--r-- 3397 Makefile
-rw-r--r-- 178 README
drwxr-xr-x - po
-rw-r--r-- 37127 pykickstart.spec
drwxr-xr-x - pykickstart
-rw-r--r-- 441 setup.py
drwxr-xr-x - tests
drwxr-xr-x - tools