Mention handler and middlewares in

  on error (#218)

Author: asvetlov

CHANGES.txt

@@ -1,13 +1,16 @@
 CHANGES
 =======
 
-0.13.1 (Unreleased)
+0.13.1 (12-31-2014)
 --------------------
 
 - Add `aiohttp.web.StreamResponse.started` property #213
 
 - Html escape traceback text in `ServerHttpProtocol.handle_error`
 
+- Mention handler and middlewares in `aiohttp.web.RequestHandler.handle_request`
+  on error (#218)
+
 
 0.13.0 (12-29-2014)
 -------------------

aiohttp/__init__.py

@@ -1,6 +1,6 @@
 # This relies on each of the submodules having an __all__ variable.
 
-__version__ = '0.13.1a0'
+__version__ = '0.13.1'
 
 
 from .protocol import *  # noqa

aiohttp/web.py

@@ -1210,8 +1210,9 @@ def handle_request(self, message, payload):
 
             if not isinstance(resp, StreamResponse):
                 raise RuntimeError(
-                    ("Handler should return response instance, got {!r}")
-                    .format(type(resp)))
+                    ("Handler {!r} should return response instance, got {!r} "
+                     "[middlewares {!r}]")
+                    .format(match_info.handler, type(resp), self._middlewares))
         except HTTPException as exc:
             resp = exc