Lint: F821 undefined name 'config'

This variable is set after importing these files by the flaskapi module.
Thus, simply set a default at the top of each file to avoid linting
errors.

api-daemon/pvcapid/ova.py

@@ -36,6 +36,8 @@ import daemon_lib.ceph as pvc_ceph
 
 import pvcapid.provisioner as provisioner
 
+config = None  # Set in this namespace by flaskapi
+
 #
 # Common functions
 #