Add handler for /difficulty-rating and fix spacing problem

handlers/difficultyRatingHandler.py

@@ -0,0 +1,14 @@
+from tornado.gen import engine
+from tornado.web import asynchronous
+from common.web import requestsManager
+
+class handler(requestsManager.asyncRequestHandler):
+	@asynchronous
+	@engine
+	def asyncPost(self):
+		try:
+			self.set_status(307, "Moved Temporarily")
+			self.add_header("Location", f"https://osu.ppy.sh/difficulty-rating")
+		except ValueError:
+			self.set_status(400)
+			self.write("")

handlers/submitModularHandler.pyx

@@ -31,7 +31,7 @@ from objects import beatmap
 from objects import glob
 from objects import score
 from objects import scoreboard
-from objects.charts import BeatmapChart, OverallChart , OverallChartFailed , BeatmapChartFailed
+from objects.charts import BeatmapChart, OverallChart, OverallChartFailed, BeatmapChartFailed
 from secret import butterCake
 
 class handler(requestsManager.asyncRequestHandler):

lets.py

@@ -45,6 +45,7 @@
 from handlers import uploadScreenshotHandler
 from handlers import commentHandler
 from handlers import seasonalHandler
+from handlers import difficultyRatingHandler
 from helpers import consoleHelper
 from common import agpl
 from objects import glob
@@ -92,6 +93,8 @@ def make_app():
 		(r"/web/osu-addfavourite.php", emptyHandler.handler),
 
 		(r"/loadTest", loadTestHandler.handler),
+
+		(r"/difficulty-rating", difficultyRatingHandler.handler),
 	], default_handler_class=defaultHandler.handler)