Update process_data.py

process_data.py

@@ -666,7 +666,7 @@ def parse_survey_stack(data):
     # parameters
     processed_data["parameters"] = {}
     processed_data["parameters"]["model_version"] = data[0]['data']['modelversion']['value'][0] # this is one string
-    processed_data["parameters"]["pre_process"] = data[0]['data']['preprocessdata']['value'] # this is boolean
+    processed_data["parameters"]["pre_process"] = data[0]['data']['preprocessdata']['value'][0] # this is yes / no
     processed_data["parameters"]["prompt_style"] = data[0]['data']['promptstyle']['value'] # this is a list
 
     if processed_data["parameters"]["pre_process"] == "yes":