TraitError: Each element of the 'op_string' trait of a DynamicTraitedSpec instance must be a string, but a value of None <type 'NoneType'> was specified.
Error setting node input:
Node: z_score
input: op_string
results_file: /home/bcheung/yard_sale/p_work_n_fix/resting_preprocsub08224/centrality_zscore_0/_scan_func_lfo/_csf_threshold_0.98/_gm_threshold_0.7/_wm_threshold_0.98/_threshold_0.2/_compcor_ncomponents_5_selector_pc10.linear1.wm1.global0.motion1.quadratic0.gm0.compcor1.csf1/_bandpass_freqs_0.01.0.10000000000000001/_mask_HarvardOxford-sub-maxprob-thr25-2mm/op_string/result_op_string.pklz
value: [None, None, None, None]
TraitError: Each element of the 'op_string' trait of a DynamicTraitedSpec instance must be a string, but a value of None <type 'NoneType'> was specified. Error setting node input: Node: z_score input: op_string results_file: /home/bcheung/yard_sale/p_work_n_fix/resting_preprocsub08224/centrality_zscore_0/_scan_func_lfo/_csf_threshold_0.98/_gm_threshold_0.7/_wm_threshold_0.98/_threshold_0.2/_compcor_ncomponents_5_selector_pc10.linear1.wm1.global0.motion1.quadratic0.gm0.compcor1.csf1/_bandpass_freqs_0.01.0.10000000000000001/_mask_HarvardOxford-sub-maxprob-thr25-2mm/op_string/result_op_string.pklz value: [None, None, None, None]