# HG changeset patch
# User Pulkit Goyal <7895pulkit@gmail.com>
# Date 2018-01-19 08:40:18
# Node ID 05c70675e5b9cd89c5265ce79864c11be9b9a5ed
# Parent  45b678bf3a787085d56fad5bee494e0c160aa120

blackbox: don't unpack the list while passing into str.join()

The current state may result in error TypeError.
Caught using evolve-tests.

diff --git a/hgext/blackbox.py b/hgext/blackbox.py
--- a/hgext/blackbox.py
+++ b/hgext/blackbox.py
@@ -133,7 +133,7 @@ def wrapui(ui):
         def debug(self, *msg, **opts):
             super(blackboxui, self).debug(*msg, **opts)
             if self.debugflag:
-                self.log('debug', '%s', ''.join(*msg))
+                self.log('debug', '%s', ''.join(msg))
 
         def log(self, event, *msg, **opts):
             global lastui