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DataHub

Hello

Need help in testing <https://github.com/linkedin/datahub/blob/master/metadata-ingestion/examples/library/lineage_emitter_rest.py>
Here's what i have tried

```pip3 install acryl-datahub
git clone <https://github.com/linkedin/datahub.git>
git checkout tags/v0.8.17 -b datahub_v0.8.17
cd metadata-ingestion/examples/library

$ python3 lineage_emitter_rest.py
Traceback (most recent call last):
  File "lineage_emitter_rest.py", line 1, in &lt;module&gt;
    import datahub.emitter.mce_builder as builder
ModuleNotFoundError: No module named 'datahub'
$ datahub version
DataHub CLI version: 0.8.17.0
Python version: 3.9.2 (default, Feb 24 2021, 13:26:01)
[Clang 11.0.0 (clang-1100.0.33.17)]```

installed acryl-datahub on a py3.8 conda environment.
```DataHub CLI version: 0.8.17.0```
no problem running
```import datahub.emitter.mce_builder as builder```

perhaps try install in a new python or conda environment?

Sorry about the late message. installing datahub cli may not give you the correct env to run the script. Can you try doing a gradlew build? specifically `./gradlew :metadata-ingestion:installDev`

This will create a venv directory under metadata-ingestion

Run `source metadata-ingestion/venv/bin/activate` which will have your required libraries. There you can run
```cd metadata-ingestion/examples/library
python lineage_emitter_rest.py```