make_model: revert fd25610 'reset promise on rejection'

since the client should deal with rejected promise

src/util/make_model.js

@@ -162,13 +162,11 @@ export default (options={}) => {
 					console.warn('The response range is narrower than requested, probably due to an upstream hard limit.')
 
 				// clean model state
+				_promise = null
 				this.reset()
 
 				// return data
 				return _cache.data.slice(_begin, _end + 1)
-			}).finally(() => {
-				// clean model state
-				_promise = null
 			})
 
 			return _promise
@@ -207,9 +205,6 @@ export default (options={}) => {
 				// clean state
 				_promise = null
 				this.reset()
-			}).finally(() => {
-				// clean state
-				_promise = null
 			})
 
 			return _promise