skip ugly %2i formatting

I decided that misalignment when digits don't match is less ugly than the asymmetrical space caused by '[%2i]' with single-digit numbers, which are most common.

IPython/parallel/client/asyncresult.py

@@ -455,9 +455,9 b' class AsyncResult(object):'
                     targets, stdouts, stderrs, output_lists, results, pyouts
                 ):
                 if stdout:
-                    print '[stdout:%2i]' % eid, stdout
+                    print '[stdout:%i]' % eid, stdout
                 if stderr:
-                    print >> sys.stderr, '[stderr:%2i]' % eid, stderr
+                    print >> sys.stderr, '[stderr:%i]' % eid, stderr
                 
                 try:
                     get_ipython()
@@ -475,12 +475,12 b' class AsyncResult(object):'
             # republish stdout:
             if any(stdouts):
                 for eid,stdout in zip(targets, stdouts):
-                    print '[stdout:%2i]' % eid, stdout
+                    print '[stdout:%i]' % eid, stdout
         
             # republish stderr:
             if any(stderrs):
                 for eid,stderr in zip(targets, stderrs):
-                    print >> sys.stderr, '[stderr:%2i]' % eid, stderr
+                    print >> sys.stderr, '[stderr:%i]' % eid, stderr
         
             try:
                 get_ipython()

IPython/parallel/client/client.py

@@ -119,8 +119,8 b' class ExecuteReply(object):'
             normal = TermColors.Normal
         
         p.text(
-            u'[%2i] ' % self.metadata['engine_id'] +
-            out + u'Out[%2i]: ' % self.execution_count +
+            u'[%i] ' % self.metadata['engine_id'] +
+            out + u'Out[%i]: ' % self.execution_count +
             normal + text_out
         )