diff --git a/python/completers/cpp/clang_completer.py b/python/completers/cpp/clang_completer.py
index 51763000..0228069a 100644
--- a/python/completers/cpp/clang_completer.py
+++ b/python/completers/cpp/clang_completer.py
@@ -185,7 +185,7 @@ class ClangCompleter( Completer ):
   def DebugInfo( self ):
     filename = vim.current.buffer.name
     flags = self.flags.FlagsForFile( filename )
-    return 'Flags for {0}:\n{1}'.format( filename, list(flags) )
+    return 'Flags for {0}:\n{1}'.format( filename, list( flags ) )
 
 
 # TODO: make these functions module-local