code: def get_bucket(self, bucket_name, validate=True, headers=None, force=None):
          
          if force:
              bucket = super(S3Connection, self).get_bucket(bucket_name, validate, headers)
              mimicdb.backend.sadd(tpl.connection, bucket.name)
              return bucket
  
          if mimicdb.backend.sismember(tpl.connection, bucket_name):
              return Bucket(self, bucket_name)
          else:
              if validate:
                  raise S3ResponseError(404, 'NoSuchBucket')
              else:
                  return Bucket(self, bucket_name)
docs: Return a bucket from MimicDB if it exists. Return a
          S3ResponseError if the bucket does not exist and validate is passed.
  
          :param boolean force: If true, API call is forced to S3