Edited circle.yml to lock .plotly folder and test import.
Edited circle.yml to lock .plotly folder and test import.

plotly/python-api,ee-in/python-api,plotly/python-api,ee-in/python-api,ee-in/python-api,plotly/plotly.py,plotly/python-api,plotly/plotly.py,plotly/plotly.py