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I'm having some issues using the `Github` storage. I'm configuring it like
```GitHub(
        repo="some_org/repo_name",
        path="path/to/flow.py",
        access_token_secret="secret_name", 
        ref="stg"
)```
When I execute the flow I get the following failure:
```Failed to load and execute Flow's environment: GithubException(422, {'message': 'No commit found for SHA: stg', 'documentation_url': '<https://docs.github.com/rest/reference/repos#get-a-commit'}>).```
That repo definitely has the branch, do I need to reference it in a special way?

Hey <@U02A2MYGML0>, this looks right. Maybe <https://docs.prefect.io/api/latest/storage.html#git|Git> storage will be friendlier to work with since you can explicitly specify the branch name?

I tried that too, only to get:
```Failed to load and execute Flow's environment: KeyError(b'refs/remotes/origin/stg')```

Are you using on on-prem version of Github?

Wait, if stg is your default branch, I think you can leave the ref blank?

it is now, but it may not be in the future; regardless that shouldn't break this, should it?

i may have found my issue; please hold from looking into this further

yep, sorry for the false alarm, it was something stupid on my end :slightly_smiling_face:

I’d like to learn what it was for the future if i see the error again

<@U02A2MYGML0> I’d also like to know what your fix was; I’m having issues with on-prem Gitlab and 404's. If it’s something easy that would be amazing :slightly_smiling_face:

Are you providing the base URL to indicate you are using on prem?

I’m down to the simplest example I can think of :sweat_smile:

```import prefect
from prefect import task, Flow
from prefect.storage.gitlab import GitLab
import os


@task
def say_hi():
    logger = prefect.context.get("logger")
    <http://logger.info|logger.info>("This worked")


with Flow("test1") as flow:
    say_hi()

flow.storage = GitLab(
    repo="{my_org}/{my_project}",
    host="<https://gitlab>.{my_on_prem_server_address}.{TLD}",
    path="flows/test/test.py", #it finds this correctly
    ref=os.getenv("BRANCH"), #this resolves correctly
    access_token_secret="GitLab", #secret in Prefect Cloud
)```
```Error retrieving file contents at flows/test/test.py in {my_org}/{my_project}@{branch}. Ensure the project and file exist.```
```Failed to load and execute Flow's environment: GitlabGetError('404 Commit Not Found')```

<@U01QEJ9PP53> I saw there is an open issue with `python-gitlab &gt; 2.6.0` , would it be possible / advisable for the time being to use  `git` storage?

I think that might be an option yeah. That is true.