If data is empty, the moodle_courses object should not be made, as the user...

If data is empty, the moodle_courses object should not be made, as the user should be promted to reauthenticate instead of stating that he is not in the course, which he maybe is

l2pauth.py

@@ -66,9 +66,9 @@ def finish_oauth():
 		for course in l2pget('viewAllCourseInfo', token['access_token'])['dataSet']:
 			session['l2p_courses'].append(course['uniqueid'])
 	elif session['oauthscope'] == 'moodle':
-		session['moodle_courses'] = []
 		data = moodleget('getmyenrolledcourses', token['access_token'])
 		if data and data.get('Data'):
+			session['moodle_courses'] = []
 			for course in data['Data']:
 				session['moodle_courses'].append(str(course['id']))
 		else: