make_model: reset promise on rejection

src/util/make_model.js

@@ -162,11 +162,13 @@ 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
@@ -205,6 +207,9 @@ export default (options={}) => {
 				// clean state
 				_promise = null
 				this.reset()
+			}).finally(() => {
+				// clean state
+				_promise = null
 			})
 
 			return _promise