---------------------------------------------------------------------------
RemoteTraceback                           Traceback (most recent call last)
RemoteTraceback:
"""
Traceback (most recent call last):
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/multiprocessing/pool.py", line 125, in worker
    result = (True, func(*args, **kwds))
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/multiprocessing/pool.py", line 48, in mapstar
    return list(map(*args))
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/map_reduce.py", line 137, in cnmf_patches
    cnm = cnm.fit(images)
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/cnmf.py", line 507, in fit
    self.initialize(Y)
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/cnmf.py", line 977, in initialize
    initialize_components(Y, sn=estim.sn, options_total=self.params.to_dict(),
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/initialization.py", line 342, in initialize_components
    Ain, Cin, _, b_in, f_in = greedyROI(
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/initialization.py", line 801, in greedyROI
    rho = imblur(Y, sig=gSig, siz=gSiz, nDimBlur=Y.ndim - 1, kernel=kernel)
  File "/home/simon/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/initialization.py", line 1057, in imblur
    X[:, :, frame] = cv2.GaussianBlur(X[:, :, frame], tuple(
cv2.error: OpenCV(4.5.3) :-1: error: (-5:Bad argument) in function 'GaussianBlur'
> Overload resolution failed:
>  - Can't parse 'ksize'. Expected sequence length 2, got 3
>  - Can't parse 'ksize'. Expected sequence length 2, got 3

"""

The above exception was the direct cause of the following exception:

error                                     Traceback (most recent call last)
/tmp/ipykernel_1833755/888080461.py in <module>
      4                 rf=rf, stride=stride, only_init_patch=True)
      5 cnm.params.set('spatial', {'se': np.ones((3,3,1), dtype=np.uint8)})
----> 6 cnm = cnm.fit(images)
      7
      8 print(('Number of components:' + str(cnm.estimates.A.shape[-1])))

~/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/cnmf.py in fit(self, images, indices)
    599
    600             self.estimates.A, self.estimates.C, self.estimates.YrA, self.estimates.b, self.estimates.f, \
--> 601                 self.estimates.sn, self.estimates.optional_outputs = run_CNMF_patches(
    602                     images.filename, self.dims + (T,), self.params,
    603                     dview=self.dview, memory_fact=self.params.get('patch', 'memory_fact'),

~/miniconda3/envs/caiman/lib/python3.9/site-packages/caiman/source_extraction/cnmf/map_reduce.py in run_CNMF_patches(file_name, shape, params, gnb, dview, memory_fact, border_pix, low_rank_background, del_duplicates, indices)
    245     if dview is not None:
    246         if 'multiprocessing' in str(type(dview)):
--> 247             file_res = dview.map_async(cnmf_patches, args_in).get(4294967)
    248         else:
    249             try:

~/miniconda3/envs/caiman/lib/python3.9/multiprocessing/pool.py in get(self, timeout)
    769             return self._value
    770         else:
--> 771             raise self._value
    772
    773     def _set(self, i, obj):

error: OpenCV(4.5.3) :-1: error: (-5:Bad argument) in function 'GaussianBlur'
> Overload resolution failed:
>  - Can't parse 'ksize'. Expected sequence length 2, got 3
>  - Can't parse 'ksize'. Expected sequence length 2, got 3