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/benchmark.py

@@ -28,6 +28,8 @@ from distutils.util import strtobool as dustrtobool
 import daemon_lib.common as pvc_common
 import daemon_lib.ceph as pvc_ceph
 
+config = None  # Set in this namespace by flaskapi
+
 def strtobool(stringv):
     if stringv is None:
         return False

api-daemon/pvcapid/helper.py

@@ -34,6 +34,8 @@ import daemon_lib.vm as pvc_vm
 import daemon_lib.network as pvc_network
 import daemon_lib.ceph as pvc_ceph
 
+config = None  # Set in this namespace by flaskapi
+
 def strtobool(stringv):
     if stringv is None:
         return False

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
 #

api-daemon/pvcapid/provisioner.py

@@ -37,6 +37,8 @@ import pvcapid.libvirt_schema as libvirt_schema
 
 from pvcapid.ova import list_ova
 
+config = None  # Set in this namespace by flaskapi
+
 def strtobool(stringv):
     if stringv is None:
         return False