Solid hooks strip description from pipeline definition

[dagsterbot]

Issue from the Dagster Slack

Solid hooks strip description from pipeline definition

This issue was generated from the slack conversation at: https://dagster.slack.com/archives/C01U954MEER/p1626178763107100?thread_ts=1626178763.107100&cid=C01U954MEER

Conversation excerpt:

U01FWJDG396: Hi all! I think I might have found a small bug - or I need some help - when applying a success hook to a pipeline I lose my pipeline's description! :scream:  I think this is new/different behaviour with 0.12.1. Code to reproduce in thread.
U01FWJDG396: ```from dagster import pipeline, success_hook
@success_hook
def much_success(context):
    print("hello")

@pipeline(name="test", description="foo")
def my_pipeline():
   print("bonjour")

my_pipeline.description

@much_success
@pipeline(name="test", description="foo")
def my_pipeline():
    print("bonjour")

my_pipeline.description```

UM49TQ8EB: Thanks for the report!  Looks like this has been broken in this way for a while…
UM49TQ8EB: <@U018K0G2Y85> issue Solid hooks strip description from pipeline definition

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