[BUG] DynamoQuery.build_projection_expression does not exist about dynamoquery HOT 5 CLOSED

from  dynamo_query import DynamoQuery
from dynamo_query.expressions  import ConditionExpression, ProjectionExpression
import boto3

table = boto3.resource('dynamodb').Table('mytable')
projection_attributes =["name", "address"]
data={"foo" :"student"}
query = DynamoQuery.build_query(key_condition_expression=(ConditionExpression=("foo")
), projection_expression = (ProjectionExpression(projection_attributes ))
. table(table - table , table_keys=('foo','bar'))

#when i look at the query.__dict__  object the projection expressions look like below 

'ProjectionExpression':<ProjectionExpression "{['name','address']}">},   

#when I pass the hardcoded string to the query 
query = DynamoQuery.build_query(key_condition_expression=(ConditionExpression=("foo")), projection_expression = (ProjectionExpression("name","address")). table(table = table , table_keys=('foo','bar'))

'ProjectionExpression':<ProjectionExpression "{name},{address}">},