cannot import name 'Ties' from 'copulae.types' (

[Zakariae Drabech]

In [3]: import copulae

ImportError Traceback (most recent call last)
in
----> 1 import copulae

~/anaconda3/lib/python3.7/site-packages/copulae/init.py in
1 from copulae._version import get_versions
----> 2 from copulae.archimedean import *
3 from copulae.elliptical import *
4 from copulae.empirical import *
5 from copulae.indep import *

~/anaconda3/lib/python3.7/site-packages/copulae/archimedean/init.py in
----> 1 from .clayton import ClaytonCopula
2 from .frank import FrankCopula
3 from .gumbel import GumbelCopula
4
5 all = ['ClaytonCopula', 'FrankCopula', 'GumbelCopula']

~/anaconda3/lib/python3.7/site-packages/copulae/archimedean/clayton.py in
2 import numpy.random as rng
3
----> 4 from copulae.copula import Summary, TailDep
5 from copulae.core import EPS, valid_rows_in_u
6 from copulae.stats import random_uniform

~/anaconda3/lib/python3.7/site-packages/copulae/copula/init.py in
1 from .abstract import AbstractCopula
----> 2 from .base import BaseCopula, TailDep
3 from .summary import Summary

~/anaconda3/lib/python3.7/site-packages/copulae/copula/base.py in
5
6 from copulae.copula.abstract import AbstractCopula
----> 7 from copulae.copula.estimator import CopulaEstimator
8 from copulae.core import pseudo_obs
9 from copulae.types import Array, Numeric

~/anaconda3/lib/python3.7/site-packages/copulae/copula/estimator/init.py in
----> 1 from .estimator import fit_copula, EstimationMethod

~/anaconda3/lib/python3.7/site-packages/copulae/copula/estimator/estimator.py in
6 from copulae.core import tri_indices
7 from copulae.stats import pearson_rho
----> 8 from copulae.types import Array, Ties
9 from copulae.utility.dict import merge_dict
10 from .corr_inversion import estimate_corr_inverse_params

ImportError: cannot import name 'Ties' from 'copulae.types' (/home/zakariae/anaconda3/lib/python3.7/site-packages/copulae/types.py)

[DannieB]

Can you state your package version?

I could not reproduce error. Here's what I did

conda create -n my_env python=3.7
conda activate my_env
conda install copulae -y
python
>>> import copulae

worked fine