code: def remove_cohort(self):
      if (len(self.cohorts) > 1) and (len(self.cohort_set) > 1):
          self.cohorts.popitem()
          self.cohort_set.popitem()
      else:
          pass
  
file_path: explainx/lib/cohort_analysis.py
imports: from imports import *
label_desc: Use image node_id 4 for calling the cohortAnalysis obj's underlying member method code with example usage: obj.remove_cohort() without return types