clean up formatting

examples/check.py

@@ -30,4 +30,5 @@ filename = 'connectivity.oas'
 nets = snarled.trace_layout(filename, connectivity, topcell='top', labels_map=labels_map)
 result = snarled.TraceAnalysis(nets)
 
-print('Result:\n', pformat(result))
+print('\n')
+print(result)

snarled/main.py

@@ -74,6 +74,7 @@ def main() -> int:
 
     parsed_nets = [{parse_label(ll) for ll in net} for net in nets]
     result = TraceAnalysis(parsed_nets)
+    print('\n')
     print(result)
 
     return 0