diff --git a/arguments/__init__.py b/arguments/__init__.py
index <HASH>..<HASH> 100644
--- a/arguments/__init__.py
+++ b/arguments/__init__.py
@@ -510,6 +510,7 @@ class Arguments(object):
             raise
 
         options, positional_arguments = self.sort_arguments(arguments)
+
         self._set_fields(positional_arguments, options)
         checking_commands = False
devenv
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