# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 2019-12-05 16:59:23
# Node ID 0f6782df11005fbead71a48a87092c9cbe3736ea
# Parent  d3f7bdc905fb604c59d8c096e395a0e4af68a9fe

exchange: replace a "not x in ys" by more Pythonic "x not in ys"

Found by one of our (Google-)internal tools.

Differential Revision: https://phab.mercurial-scm.org/D7546

diff --git a/mercurial/exchange.py b/mercurial/exchange.py
--- a/mercurial/exchange.py
+++ b/mercurial/exchange.py
@@ -2577,7 +2577,7 @@ def _getbundlephasespart(
 ):
     """add phase heads part to the requested bundle"""
     if kwargs.get('phases', False):
-        if not b2caps or not b'heads' in b2caps.get(b'phases'):
+        if not b2caps or b'heads' not in b2caps.get(b'phases'):
             raise error.Abort(_(b'no common phases exchange method'))
         if heads is None:
             heads = repo.heads()