# HG changeset patch
# User Anton Shestakov <av6@dwimlabs.net>
# Date 2015-11-28 09:06:29
# Node ID c533435cbc3716ef207fc6e1391f6804807c5b36
# Parent  7e10b860c17461b7e4e2633b445343c8d2892fe9

webcommands: test that fctx is not None in filediff()

A block of code above this one already says "if fctx is not None", and it's
also what this code actually intends to check, so let's be specific as PEP-8
recommends.

diff --git a/mercurial/hgweb/webcommands.py b/mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py
+++ b/mercurial/hgweb/webcommands.py
@@ -792,7 +792,7 @@ def filediff(web, req, tmpl):
         style = req.form['style'][0]
 
     diffs = webutil.diffs(web.repo, tmpl, ctx, None, [path], parity, style)
-    if fctx:
+    if fctx is not None:
         rename = webutil.renamelink(fctx)
         ctx = fctx
     else: