diff -r 362039519454 -r 7dd551ac2fa0 runtime/Stunnel.py
--- a/runtime/Stunnel.py	Thu Mar 07 21:57:18 2019 +0100
+++ b/runtime/Stunnel.py	Mon Mar 11 01:03:32 2019 +0100
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 import os
 from binascii import b2a_hqx
 try:
@@ -5,14 +6,15 @@
 except ImportError:
     from subprocess import call
 
-restart_stunnel_cmdline = ["/etc/init.d/S50stunnel","restart"]
+restart_stunnel_cmdline = ["/etc/init.d/S50stunnel", "restart"]
 
 _PSKpath = None
 
+
 def PSKgen(ID, PSKpath):
 
     # b2a_hqx output len is 4/3 input len
-    secret = os.urandom(192) # int(256/1.3333)
+    secret = os.urandom(192)  # int(256/1.3333)
     secretstring = b2a_hqx(secret)
 
     PSKstring = ID+":"+secretstring
@@ -20,6 +22,7 @@
         f.write(PSKstring)
     call(restart_stunnel_cmdline)
 
+
 def ensurePSK(ID, PSKpath):
     global _PSKpath
     _PSKpath = PSKpath
@@ -28,14 +31,14 @@
         # create if needed
         PSKgen(ID, PSKpath)
 
-def getPSKID():
-    if _PSKpath is not None :
+
+def getPSKID(errorlog):
+    if _PSKpath is not None:
         if not os.path.exists(_PSKpath):
-            confnodesroot.logger.write_error(
+            errorlog(
                 'Error: Pre-Shared-Key Secret in %s is missing!\n' % _PSKpath)
             return None
-        ID,_sep,PSK = open(_PSKpath).read().partition(':')
+        ID, _sep, PSK = open(_PSKpath).read().partition(':')
         PSK = PSK.rstrip('\n\r')
-        return (ID,PSK)
+        return (ID, PSK)
     return None
-