Revert "replaced add() call on list to append() (#154)"

This reverts commit 7465111.

Author: Alex Chirayath

source/lambda/jobresultprocessor/lambda_function.py

@@ -153,7 +153,7 @@ def processRequest(request):
         if key not in comprehendAndMedicalEntities:
             comprehendAndMedicalEntities[key] = val
         else:
-            comprehendAndMedicalEntities[key].append(val)
+            comprehendAndMedicalEntities[key].add(val)
     opg.indexDocument(opg_output[DOCTEXT], comprehendAndMedicalEntities)
 
     ds = datastore.DocumentStore(documentsTable, outputTable)

source/lambda/syncprocessor/lambda_function.py

@@ -128,7 +128,7 @@ def processImage(documentId, features, bucketName, outputBucketName, objectName,
         if key not in comprehendAndMedicalEntities:
             comprehendAndMedicalEntities[key] = val
         else:
-            comprehendAndMedicalEntities[key].append(val)
+            comprehendAndMedicalEntities[key].add(val)
     opg.indexDocument(opg_output[DOCTEXT], comprehendAndMedicalEntities)
 
     ds = datastore.DocumentStore(documentsTableName, outputTableName)