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import sys
from . import version_skip
@version_skip
def test_dependencies_not_imported():
# Check that creating a figure without using numpy and pandas does not result in
# the import of numpy and pandas, even if they are installed.
assert "plotly" not in sys.modules
assert "numpy" not in sys.modules
assert "pandas" not in sys.modules
import plotly.graph_objects as go
fig = go.Figure().add_scatter(x=[0], y=[1])
fig.to_json()
assert "plotly" in sys.modules
assert "numpy" not in sys.modules
assert "pandas" not in sys.modules
# check that numpy is installed
import numpy as np
fig = go.Figure().add_scatter(x=np.array([0]), y=np.array([1]))
fig.to_json()
assert "numpy" in sys.modules
assert "pandas" not in sys.modules
# check that pandas is installed
import pandas as pd
fig = go.Figure().add_scatter(x=pd.Series([0]), y=pd.Series([1]))
fig.to_json()
assert "pandas" in sys.modules
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