Fix issue with condition for extra data

box.py

@@ -1039,7 +1039,7 @@ class Fedora(Image):
 
 class CentosStream(Image):
     URL = "https://cloud.centos.org/centos/%s-stream/%s/images/%s"
-    IMG = '.*(CentOS-Stream-GenericCloud-%s-[0-9]+\.[0-9].%s.qcow2).*'
+    IMG = '.*(CentOS-Stream-GenericCloud-%s-[0-9]+.[0-9].%s.qcow2).*'
     CHKS = "CHECKSUM"
 
     def __init__(self, vbox, version, arch, release):
@@ -1193,7 +1193,7 @@ def vmcreate(args, conf=None):
         return 4
 
     for key in ('distro', 'hostname', 'key', 'version', 'image'):
-        if not getattr(conf, key) is None:
+        if getattr(conf, key) is None:
             continue
         if not vbox.setextradata(key, getattr(conf, key)):
             return 5