Crash on injecting an entry #1545

tasks:
  TEST:
#    mock:
#      - {title: FooBar}
    accept_all: yes
    exec: echo "Eureka!"

(Flexget) D:\devel\projects\flexget\Flexget>flexget --test inject FooBar --tasks TEST --dump
2016-12-10 18:00 INFO     manager                       Test mode, creating a copy from database ...
2016-12-10 18:00 INFO     manager                       Test database created
2016-12-10 18:00 VERBOSE  task_queue                    There are 1 tasks to execute. Shutdown will commence when they have completed.
2016-12-10 18:00 INFO     task          TEST            Plugin exec is not executed because input phase is disabled (e.g. --test)
2016-12-10 18:00 VERBOSE  task          TEST            ACCEPTED: `FooBar` by accept_all plugin
2016-12-10 18:00 VERBOSE  details       TEST            Summary - Accepted: 1 (Rejected: 0 Undecided: 0 Failed: 0)
2016-12-10 18:00 CRITICAL task          TEST            BUG: Unhandled error in plugin exec: 'NoneType' object has no attribute 'name'
2016-12-10 18:00 CRITICAL manager       TEST            An unexpected crash has occurred. Writing crash report to D:\devel\projects\flexget\Flexget\crash_report.2016.12.10.180036111000.log. Please verify you are running the latest version of flexget by using "flexget -V" from CLI or by using version_checker plugin at http://flexget.com/wiki/Plugins/version_checker. You are currently using version 2.8.2.dev
2016-12-10 18:00 WARNING  task          TEST            Aborting task (plugin: exec)
2016-12-10 18:00 WARNING  backlog       TEST            No input snapshot available for `FooBar`, using current state
2016-12-10 18:00 INFO     manager                       Removed test database

2016-12-10 18:00 DEBUG    manager                       Figuring out config load paths
2016-12-10 18:00 DEBUG    manager                       Adding virtualenv path
2016-12-10 18:00 DEBUG    manager                       Found config: D:\devel\projects\flexget\Flexget\config.yml
2016-12-10 18:00 DEBUG    manager                       Config file D:\devel\projects\flexget\Flexget\config.yml selected
2016-12-10 18:00 INFO     manager                       Test mode, creating a copy from database ...
2016-12-10 18:00 INFO     manager                       Test database created
2016-12-10 18:00 VERBOSE  task_queue                    There are 1 tasks to execute. Shutdown will commence when they have completed.
2016-12-10 18:00 INFO     task          TEST            Plugin exec is not executed because input phase is disabled (e.g. --test)
2016-12-10 18:00 VERBOSE  task          TEST            ACCEPTED: `FooBar` by accept_all plugin
2016-12-10 18:00 VERBOSE  details       TEST            Summary - Accepted: 1 (Rejected: 0 Undecided: 0 Failed: 0)
2016-12-10 18:00 CRITICAL task          TEST            BUG: Unhandled error in plugin exec: 'NoneType' object has no attribute 'name'
Traceback (most recent call last):
  File "d:\devel\projects\flexget\flexget\flexget\task.py", line 483, in __run_plugin
    return method(*args, **kwargs)
  File "d:\devel\projects\flexget\flexget\flexget\event.py", line 23, in __call__
    return self.func(*args, **kwargs)
  File "d:\devel\projects\flexget\flexget\flexget\plugins\output\exec.py", line 194, in phase_handler
    self.execute(task, 'on_' + phase, config)
  File "d:\devel\projects\flexget\flexget\flexget\plugins\output\exec.py", line 142, in execute
    cmd = render_from_entry(cmd, entrydict)
  File "d:\devel\projects\flexget\flexget\flexget\utils\template.py", line 221, in render_from_entry
    variables['task_name'] = entry.task.name
AttributeError: 'NoneType' object has no attribute 'name'