Index: lldb/examples/python/crashlog.py
===================================================================
--- lldb/examples/python/crashlog.py
+++ lldb/examples/python/crashlog.py
@@ -1226,6 +1226,11 @@
 
 def SymbolicateCrashLogs(debugger, command_args):
     option_parser = CrashLogOptionParser()
+
+    if not len(command_args):
+        option_parser.print_help()
+        return
+
     try:
         (options, args) = option_parser.parse_args(command_args)
     except: