Added more details to TypeError regarding access_log_class.

aio-libs · Oct 13, 2017 · db02580 · db02580
1 parent f0ac3e3
commit db02580
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/aiohttp/web.py b/aiohttp/web.py
@@ -237,8 +237,10 @@ def make_handler(self, *,
                      **kwargs):
 
         if not issubclass(access_log_class, AbstractAccessLogger):
-            raise TypeError('access_log_class must be subclass of '
-                            'aiohttp.abc.AbstractAccessLogger')
+            raise TypeError(
+                'access_log_class must be subclass of '
+                'aiohttp.abc.AbstractAccessLogger, got {}'.format(
+                    access_log_class))
 
         self._set_loop(loop)
         self.freeze()