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All, I am running a flow using prefect UI and hitting a `ModleNotFound`  error. I register the code as follows

```prefect register --project CHX -p sparsify.py -n "sparsify" --label chx-2022-2.2```
The folder where `sparsify.py`  sits has the missing module’s python code; masks.py. And I import the module and relevant functions as follows

```from masks import MaskClient, combine_masks```
Somehow when I run sparsify via UI it can’t find it. The code just runs fine in an `ipython`  session

Hi <@U048H50AD29>, you might find <https://discourse.prefect.io/t/when-i-run-my-flow-i-see-an-error-failed-to-load-and-execute-flows-environment-modulenotfounderror-no-module-named-users-username-what-is-happening/33|this discourse >article helpful in trouble shooting your error. I know we have made significant improvements in Prefect 2 with the new concept of Deployments which will prevent you from running into the "NoModuleFound" errors.