Fix assignment instead of type hint

birdvisu/providers.py

@@ -256,8 +256,7 @@ class OspfFileTopologyParser:
 		# Same as for networks: we must create the edges in bulk at the end,
 		# since there may be multiedges.
 		future_edges: dict[tuple[VertexID, int, MetricType, bool], int] = defaultdict(lambda: 0)
-		# mypy 1.3.0 wtf.
+		future_transit_networks: dict[tuple[str, int], int] = defaultdict(lambda: 0)
-		future_transit_networks = dict[tuple[str, int], int] = defaultdict(lambda: 0)
 		for line, chld in syntree:
 			tag, *det = line.split()
 			if tag in ['distance', 'unreachable']: continue