Error while trying the Imaging a Black Hole using only Closure Quantities example

[aburousan]

I was trying out the code given here : https://ptiede.github.io/Comrade.jl/stable/examples/imaging_closures/ But the line obs = scan_average(obs).add_fractional_noise(0.01).flag_uvdist(uv_min=0.1e9) gives me the following error.

ERROR: Python: TypeError: must be real number, not complex
Python stacktrace:
 [1] pandas._libs.lib.maybe_convert_objects
   @ pandas/_libs/lib.pyx:2466
 [2] agg_series
   @ pandas.core.groupby.ops ~/.local/lib/python3.10/site-packages/pandas/core/groupby/ops.py:996
 [3] _python_agg_general
   @ pandas.core.groupby.generic ~/.local/lib/python3.10/site-packages/pandas/core/groupby/generic.py:288
 [4] aggregate
   @ pandas.core.groupby.generic ~/.local/lib/python3.10/site-packages/pandas/core/groupby/generic.py:266
 [5] <dictcomp>
   @ pandas.core.apply ~/.local/lib/python3.10/site-packages/pandas/core/apply.py:421
 [6] agg_dict_like
   @ pandas.core.apply ~/.local/lib/python3.10/site-packages/pandas/core/apply.py:420
 [7] agg
   @ pandas.core.apply ~/.local/lib/python3.10/site-packages/pandas/core/apply.py:163
 [8] aggregate
   @ pandas.core.groupby.generic ~/.local/lib/python3.10/site-packages/pandas/core/groupby/generic.py:1269
 [9] coh_avg_vis
   @ ehtim.statistics.dataframes ~/Code/Julia/Projects/cosmology/.CondaPkg/env/lib/python3.10/site-packages/ehtim/statistics/dataframes.py:198
 [10] avg_coherent
   @ ehtim.obsdata ~/Code/Julia/Projects/cosmology/.CondaPkg/env/lib/python3.10/site-packages/ehtim/obsdata.py:1143
Stacktrace:
 [1] pythrow()
   @ PythonCall ~/.julia/packages/PythonCall/qTEA1/src/err.jl:94
 [2] errcheck
   @ ~/.julia/packages/PythonCall/qTEA1/src/err.jl:10 [inlined]
 [3] pycallargs
   @ ~/.julia/packages/PythonCall/qTEA1/src/abstract/object.jl:211 [inlined]
 [4] pycall(f::Py, args::Float64; kwargs::Base.Pairs{Symbol, Bool, Tuple{Symbol}, NamedTuple{(:scan_avg,), Tuple{Bool}}})
   @ PythonCall ~/.julia/packages/PythonCall/qTEA1/src/abstract/object.jl:222
 [5] pycall
   @ ~/.julia/packages/PythonCall/qTEA1/src/abstract/object.jl:218 [inlined]
 [6] #_#11
   @ ~/.julia/packages/PythonCall/qTEA1/src/Py.jl:341 [inlined]
 [7] Py
   @ ~/.julia/packages/PythonCall/qTEA1/src/Py.jl:341 [inlined]
 [8] scan_average(obs::Py)
   @ Pyehtim ~/.julia/packages/Pyehtim/YyZzM/src/Pyehtim.jl:63
 [9] top-level scope
   @ REPL[15]:1

Information on the packages: [deps] Comrade = "99d987ce-9a1e-4df8-bc0b-1ea019aa547b" Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80" Pyehtim = "3d61700d-6e5b-419a-8e22-9c066cf00468" and using julia 1.9.2

[ptiede]

This is a pandas v2 issue with eht-imaging. How did you install Pyehtim and pandas?

[aburousan]

Just using conda for both pandas and for pyehtim i have used pkg

[ptiede]

So Pyehtim should've forced a pandas downgrade but it is probably using your system version for some reason. This is likely an issue with CondaPkg. The simplest solution is to downgrade your pandas version to be < 2 since eht-imaging doesn't work pandas V2.