Update task_cohort.py

task_cohort.py

@@ -211,6 +211,9 @@ def create_cohort(task, mimic_path, config_path):
     else:
         feature_selection_hosp.feature_nonicu(cohort_output, version_path,diag_flag,lab_flag,proc_flag,med_flag)
     #----------------------------------------------GROUPING-------------------------------------------------------
+    group_diag=False
+    group_med=False
+    group_proc=False
     if data_icu:
         if diag_flag:
             group_diag=groupingDiag