ImportError                               Traceback (most recent call last)
<ipython-input-7-78cbd26bdc21> in <module>
      2 iris = px.data.iris()
      3 fig = px.scatter(iris, x="sepal_width", y="sepal_length", color="species", marginal_y="violin",
----> 4            marginal_x="box", trendline="ols")
      5 fig.show()

/srv/conda/envs/notebook/lib/python3.7/site-packages/plotly/express/_chart_types.py in scatter(data_frame, x, y, color, symbol, size, hover_name, hover_data, custom_data, text, facet_row, facet_col, error_x, error_x_minus, error_y, error_y_minus, animation_frame, animation_group, category_orders, labels, color_discrete_sequence, color_discrete_map, color_continuous_scale, range_color, color_continuous_midpoint, symbol_sequence, symbol_map, opacity, size_max, marginal_x, marginal_y, trendline, trendline_color_override, log_x, log_y, range_x, range_y, render_mode, title, template, width, height)
     51     In a scatter plot, each row of `data_frame` is represented by a symbol mark in 2D space.
     52     """
---> 53     return make_figure(args=locals(), constructor=go.Scatter)
     54 
     55 

/srv/conda/envs/notebook/lib/python3.7/site-packages/plotly/express/_core.py in make_figure(args, constructor, trace_patch, layout_patch)
   1221 
   1222             patch, fit_results = make_trace_kwargs(
-> 1223                 args, trace_spec, group, mapping_labels.copy(), sizeref
   1224             )
   1225             trace.update(patch)

/srv/conda/envs/notebook/lib/python3.7/site-packages/plotly/express/_core.py in make_trace_kwargs(args, trace_spec, g, mapping_labels, sizeref)
    218             elif k == "trendline":
    219                 if v in ["ols", "lowess"] and args["x"] and args["y"] and len(g) > 1:
--> 220                     import statsmodels.api as sm
    221 
    222                     # sorting is bad but trace_specs with "trendline" have no other attrs

/srv/conda/envs/notebook/lib/python3.7/site-packages/statsmodels/api.py in <module>
     14 from . import robust
     15 from .robust.robust_linear_model import RLM
---> 16 from .discrete.discrete_model import (Poisson, Logit, Probit,
     17                                       MNLogit, NegativeBinomial,
     18                                       GeneralizedPoisson,

/srv/conda/envs/notebook/lib/python3.7/site-packages/statsmodels/discrete/discrete_model.py in <module>
     43 
     44 from statsmodels.base.l1_slsqp import fit_l1_slsqp
---> 45 from statsmodels.distributions import genpoisson_p
     46 
     47 try:

/srv/conda/envs/notebook/lib/python3.7/site-packages/statsmodels/distributions/__init__.py in <module>
      1 from .empirical_distribution import ECDF, monotone_fn_inverter, StepFunction
----> 2 from .edgeworth import ExpandedNormal
      3 from .discrete import genpoisson_p, zipoisson, zigenpoisson, zinegbin

/srv/conda/envs/notebook/lib/python3.7/site-packages/statsmodels/distributions/edgeworth.py in <module>
      5 import numpy as np
      6 from numpy.polynomial.hermite_e import HermiteE
----> 7 from scipy.misc import factorial
      8 from scipy.stats import rv_continuous
      9 import scipy.special as special

ImportError: cannot import name 'factorial' from 'scipy.misc' (/srv/conda/envs/notebook/lib/python3.7/site-packages/scipy/misc/__init__.py)