fix systemd bug

Change-Id: I8a3f1eddba9525589757d4612a5060267ea0c5db

frappy/params.py

@@ -169,7 +169,7 @@ class Parameter(Accessible):
         OrType(FloatRange(0), EnumType(always=0, never=999999999, default=-1)),
         export=False, default=-1)
     influences = Property(
-        'optional hint about effected parameters', ArrayOf(StringType()),
+        'optional hint about affected parameters', ArrayOf(StringType()),
         extname='influences', export=True, mandatory=False, default=[])
 
     # used on the instance copy only
@@ -367,7 +367,7 @@ class Command(Accessible):
         'datatype of the result from the command, or None', NoneOr(DataTypeType()),
         export=False, mandatory=True)
     influences = Property(
-        'optional hint about effected parameters', ArrayOf(StringType()),
+        'optional hint about affected parameters', ArrayOf(StringType()),
         extname='influences', export=True, mandatory=False, default=[])
 
     func = None

frappy/server.py

@@ -45,6 +45,7 @@ except ImportError:
     DaemonContext = None
 
 try:
+    # pylint: disable=unused-import
     import systemd.daemon
 except ImportError:
     systemd = None
@@ -132,8 +133,12 @@ class Server:
         while self._restart:
             self._restart = False
             try:
-                if systemd:
+                # TODO: make systemd notifications configurable
+                if systemd:  # pylint: disable=used-before-assignment
                     systemd.daemon.notify("STATUS=initializing")
+            except Exception:
+                systemd = None  # pylint: disable=redefined-outer-name
+            try:
                 self._processCfg()
                 if self._testonly:
                     return