another miniupnpc fallback bug

txupnp/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "0.0.1a8"
+__version__ = "0.0.1a9"
 __name__ = "txupnp"
 __author__ = "Jack Robison"
 __maintainer__ = "Jack Robison"

txupnp/soap.py

@@ -35,7 +35,7 @@ class SOAPServiceManager(object):
             elif 'st' not in server_info:
                 log.error("don't know how to handle gateway: %s", server_info)
                 continue
-        defer.returnValue(len(self._command_runners))
+        defer.returnValue(len(self._command_runners) > 0)
 
     def set_runner(self, urn):
         if urn not in self._command_runners:

txupnp/upnp.py

@@ -51,8 +51,7 @@ class UPnP(object):
             log.warning("nothing left to try")
         if try_txupnp:
             try:
-                yield self.soap_manager.discover_services(timeout=timeout, max_devices=max_devices)
-                found = True
+                found = yield self.soap_manager.discover_services(timeout=timeout, max_devices=max_devices)
             except defer.TimeoutError:
                 found = False
             finally: