fix job submission for admin jobs (#3332)

* fix job submission for admin jobs

* fix lint

Author: antgonza

Diff for: qiita_db/processing_job.py

@@ -433,7 +433,8 @@ def resource_allocation_info(self):
                 jtype = 'RELEASE_VALIDATORS_RESOURCE_PARAM'
                 tmp = ProcessingJob(self.parameters.values['job'])
                 name = tmp.parameters.command.name
-                analysis = tmp.input_artifacts[0].analysis
+                if tmp.input_artifacts:
+                    analysis = tmp.input_artifacts[0].analysis
             elif self.command.name == 'Validate':
                 jtype = 'VALIDATOR'
                 vals = self.parameters.values

Diff for: qiita_pet/support_files/doc/source/faq.rst

@@ -410,6 +410,17 @@ Now, if you are wondering about the possible "Processing notes", here are their
   associated with a samples is an index read file.
 
 
+Are you planning a workshop or class?
+-------------------------------------------------------------------
+
+We encourage users to use Qiita for their classes and/or workshops and to facilitate processing
+we urge  users to request a special reservation in the system. A reservation should help your
+and your participant jobs to move quicker in the system. If you are interested, please send us
+an email to qiita.help@gmail.com and add the name of your workshop/course, the number of
+participants, the expected days this will happen. Note that reservations are only available for
+analysis and not for sequencing processing, and that the reservation can be added/edited during
+the creation of the analysis or at any point within each individual analysis page.
+
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