fix entity-default python functions

Author: ChintanRaval

dpo/DataRepository.py

@@ -89,8 +89,7 @@ def save_execution_step_models(self, execution_step_id, model_checksums):
         execution_step.status = Constants.StepStatus.IN_PROGRESS
 
         for model_name, checksum in sorted(model_checksums.items()):
-            execution_step_model = ExecutionStepModelEntity(execution_step_model_id=uuid.uuid4(),
-                                                            execution_step_id=execution_step_id,
+            execution_step_model = ExecutionStepModelEntity(execution_step_id=execution_step_id,
                                                             model_name=model_name,
                                                             checksum=checksum)
             session.add(execution_step_model)

dpo/entities/execution_entity.py

@@ -16,7 +16,7 @@ class ExecutionEntity(Shared.BaseEntity):
     execution_id = Column(PRIMARY_KEY_COL_NAME,
                           UUID(as_uuid=True),
                           primary_key=True,
-                          default=uuid.uuid4())
+                          default=uuid.uuid4)
 
     created_on = Column('created_on',
                         DateTime(timezone=True),

dpo/entities/execution_step_entity.py

@@ -18,7 +18,7 @@ class ExecutionStepEntity(Shared.BaseEntity):
     execution_step_id = Column(PRIMARY_KEY_COL_NAME,
                                UUID(as_uuid=True),
                                primary_key=True,
-                               default=uuid.uuid4())
+                               default=uuid.uuid4)
 
     created_on = Column('created_on',
                         DateTime(timezone=True),

dpo/entities/execution_step_model_entity.py

@@ -18,7 +18,7 @@ class ExecutionStepModelEntity(Shared.BaseEntity):
     execution_step_model_id = Column(PRIMARY_KEY_COL_NAME,
                                      UUID(as_uuid=True),
                                      primary_key=True,
-                                     default=uuid.uuid4())
+                                     default=uuid.uuid4)
 
     created_on = Column('created_on',
                         DateTime(timezone=True),