Expected Behavior

seaborn is whitelisted in QuantConnect.

Actual Behavior

seaborn is not available.

Potential Solution

Adds the following in DockerfileLeanFoundation:

conda install -c anaconda seaborn

Testing the potential solution:

• Build the docker image with the dockerfile after the changes.

Checklist

• I have completely filled out this template
• I have confirmed that this issue exists on the current master branch
• I have confirmed that this is not a duplicate issue by searching issues