Adjust blank lines to match Code Style Guide (see #103)

src/zeroconf.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-
 import gi
 try:
     gi.require_version('Avahi', '0.6')
@@ -13,15 +12,12 @@ import logging
 from mcg import client
 
 
-
-
 class ZeroconfProvider(client.Base):
     KEYRING_SYSTEM = 'mcg'
     KEYRING_USERNAME = 'mpd'
     SIGNAL_SERVICE_NEW = 'service-new'
     TYPE = '_mpd._tcp'
 
-
     def __init__(self):
         client.Base.__init__(self)
         self._service_resolvers = []
@@ -31,7 +27,6 @@ class ZeroconfProvider(client.Base):
         if use_avahi:
             self._start_client()
 
-
     def on_new_service(self, browser, interface, protocol, name, type, domain, flags):
         #if not (flags & Avahi.LookupResultFlags.GA_LOOKUP_RESULT_LOCAL):
         service_resolver = Avahi.ServiceResolver(interface=interface, protocol=protocol, name=name, type=type, domain=domain, aprotocol=Avahi.Protocol.GA_PROTOCOL_UNSPEC, flags=0,)
@@ -40,19 +35,16 @@ class ZeroconfProvider(client.Base):
         service_resolver.attach(self._client)
         self._service_resolvers.append(service_resolver)
 
-
     def on_found(self, resolver, interface, protocol, name, type, domain, host, date, port, *args):
         if (host, port) not in self._services.keys():
             service = (name,host,port)
             self._services[(host,port)] = service
             self._callback(ZeroconfProvider.SIGNAL_SERVICE_NEW, service)
 
-
     def on_failure(self, resolver, date):
         if resolver in self._service_resolvers:
             self._service_resolvers.remove(resolver)
 
-
     def _start_client(self):
         self._logger.info("Starting Avahi client")
         self._client = Avahi.Client(flags=0,)