importer: Skip empty lines

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/python/location-importer.in

@@ -988,12 +988,18 @@ class CLI(object):
 		for line in self._bird_cmd(server, "show route"):
 			m = route.match(line)
 			if not m:
+				# Skip empty lines
+				if not line:
+					pass
+
 				# Ignore any header lines with the name of the routing table
-				if line.startswith(b"Table"):
-					continue
+				elif line.startswith(b"Table"):
+					pass
 
 				# Log anything else
-				log.debug("Could not parse line: %s" % line.decode())
+				else:
+					log.debug("Could not parse line: %s" % line.decode())
+
 				continue
 
 			# Fetch the extracted network and ASN