# HG changeset patch
# User Matt Harbison <matt_harbison@yahoo.com>
# Date 2019-12-27 23:54:57
# Node ID 873d0fecb9a3aaa254ffc4b5f33f589c95c7a32f
# Parent  e52a9c85a7a8450f40bebb4c13b3c757ecec586e

hgweb: delete a local variable instead of setting to `None`

The previous code was flagged by PyCharm as an unused variable assignment.

Differential Revision: https://phab.mercurial-scm.org/D7761

diff --git a/mercurial/hgweb/wsgicgi.py b/mercurial/hgweb/wsgicgi.py
--- a/mercurial/hgweb/wsgicgi.py
+++ b/mercurial/hgweb/wsgicgi.py
@@ -77,7 +77,7 @@ def launch(application):
                     # Re-raise original exception if headers sent
                     raise exc_info[0](exc_info[1], exc_info[2])
             finally:
-                exc_info = None  # avoid dangling circular ref
+                del exc_info  # avoid dangling circular ref
         elif headers_set:
             raise AssertionError(b"Headers already set!")