Document that dnstxt lookup requires dnspython

Add a line in the docs to specify that dnstxt requires that you have the dnspython package installed.

Document that dnstxt lookup requires dnspython
Add a line in the docs to specify that dnstxt requires that you have the dnspython package installed.
0474b5ce · Lorin Hochstein · 53a3644e · 0474b5ce
Commit 0474b5ce authored Jan 25, 2015 by Lorin Hochstein
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docsite/rst/playbooks_lookups.rst
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--- a/docsite/rst/playbooks_lookups.rst
+++ b/docsite/rst/playbooks_lookups.rst
@@ -121,6 +121,7 @@ Here are some examples::

         - debug: msg="{{ lookup('redis_kv', 'redis://localhost:6379,somekey') }} is value in Redis for somekey"

+         # dnstxt lookup requires the Python dnspython package
         - debug: msg="{{ lookup('dnstxt', 'example.com') }} is a DNS TXT record for example.com"

         - debug: msg="{{ lookup('template', './some_template.j2') }} is a value from evaluation of this template"