code: function(){
  		// If a task is currently loading this fileUrl,
  		// wait for it to complete
  		var loadingTask = this.context.loadingPaths[this.fileUrl];
  		if (!loadingTask) return;
  
  		var task = this;
  		return loadingTask.promise.then(function() {
  			task._fetchedPackage = loadingTask.getPackage();
  
  			var firstTaskFailed = loadingTask.hadErrorLoading();
  			var currentTaskIsCompatible = task.isCompatibleVersion();
  			var firstTaskIsNotCompatible = !loadingTask.isCompatibleVersion();
  
  			// Do not flag the current task as failed if:
  			//
  			//	- Current task fetches a version in rage and
  			//	- First task had no error loading at all or
  			//	- First task fetched an incompatible version
  			//
  			// otherwise, assume current task will fail for the same reason as
  			// the first did
  			if (currentTaskIsCompatible && (!firstTaskFailed || firstTaskIsNotCompatible)) {
  				task.failed = false;
  				task.error = null;
  			}
  			else if (!currentTaskIsCompatible) {
  				task.failed = true;
  				task.error = new Error("Incompatible package version requested");
  			}
  			else if (firstTaskFailed) {
  				task.failed = true;
  				task.error = loadingTask.error;
  			}
  		});
  	}
docs: Handle the case where this fileUrl is already loading