examples: fix indentation in tracing/tcpv4connect

Python doesn't like mixing spaces and tabs.

examples/tracing/tcpv4connect.py

@@ -88,17 +88,17 @@ def inet_ntoa(addr):
 
 # filter and format output
 while 1:
- # Read messages from kernel pipe
- try:
-  (task, pid, cpu, flags, ts, msg) = b.trace_fields()
-  (_tag, saddr_hs, daddr_hs, dport_s) = msg.split(" ")
- except ValueError:
-  # Ignore messages from other tracers
-  continue
-
- # Ignore messages from other tracers
- if _tag != "trace_tcp4connect":
-  continue
+ # Read messages from kernel pipe
+ try:
+  (task, pid, cpu, flags, ts, msg) = b.trace_fields()
+  (_tag, saddr_hs, daddr_hs, dport_s) = msg.split(" ")
+ except ValueError:
+  # Ignore messages from other tracers
+  continue
+
+ # Ignore messages from other tracers
+ if _tag != "trace_tcp4connect":
+  continue
 
  print("%-6d %-12.12s %-16s %-16s %-4s" % (pid, task,
  inet_ntoa(int(saddr_hs, 16)),