Increase gpg timeout to give time to developers to interact with Yubi…

…keys (#2613)

* increase gpg timeout value for in-toto

* skip flake8 for this module

datadog_checks_dev/datadog_checks/dev/tooling/signing.py

@@ -1,8 +1,16 @@
 # (C) Datadog, Inc. 2018
 # All rights reserved
 # Licensed under a 3-clause BSD style license (see LICENSE)
+# flake8: noqa
 import shutil
 
+# NOTE: Set one minute for any GPG subprocess to timeout in in-toto.  Should be
+# enough time for developers to find and enter their PIN and / or touch their
+# Yubikey. We do this before we load the rest of in-toto, so that this setting
+# takes effect.
+import in_toto.settings
+in_toto.settings.SUBPROCESS_TIMEOUT = 60
+
 from in_toto import runlib
 from in_toto.gpg.constants import GPG_COMMAND