diff --git a/check_iperf3.py b/check_iperf3.py
index 2decde2..abf6f28 100755
--- a/check_iperf3.py
+++ b/check_iperf3.py
@@ -305,12 +305,12 @@ def build_perfdata(options, json_data: dict) -> List[str]:
     json_end = json_data['end']
 
     bps_avg_up = json_end['sum_sent']['bits_per_second'] if options.bidir or not options.downstream else None
-    bps_avg_down = json_end['sum_sent_bidir_reverse']['bits_per_second'] if options.bidir else json_data[
-        'end']['sum_sent']['bits_per_second'] if options.downstream else None
+    bps_avg_down = json_end['sum_sent_bidir_reverse']['bits_per_second'] if options.bidir else \
+        json_data['end']['sum_sent']['bits_per_second'] if options.downstream else None
     if not options.udp:
         retrans_sum_up = json_end['sum_sent']['retransmits'] if options.bidir or not options.downstream else None
-        retrans_sum_down = json_end['sum_sent_bidir_reverse']['retransmits'] if options.bidir else json_data[
-            'end']['sum_sent']['retransmits'] if options.downstream else None
+        retrans_sum_down = json_end['sum_sent_bidir_reverse']['retransmits'] if options.bidir else \
+            json_data['end']['sum_sent']['retransmits'] if options.downstream else None
 
     if bps_avg_up is not None:
         perfdata.append(build_single_perfdata("bps_avg_up", bits_per_second(
@@ -327,10 +327,10 @@ def build_perfdata(options, json_data: dict) -> List[str]:
             perfdata.append(build_single_perfdata("retrans_sum_down", packets(
                 retrans_sum_down), options.retrans_warn, options.retrans_crit))
 
-    perfdata.append(build_single_perfdata("local_cpu", percent(
-        json_end['cpu_utilization_percent']['host_total'])))
-    perfdata.append(build_single_perfdata("remote_cpu", percent(
-        json_end['cpu_utilization_percent']['remote_total'])))
+    perfdata.append(build_single_perfdata("local_cpu", 
+        percent(json_end['cpu_utilization_percent']['host_total'])))
+    perfdata.append(build_single_perfdata("remote_cpu",
+        percent(json_end['cpu_utilization_percent']['remote_total'])))
     return perfdata
 
 def check_iperf3(options):