fix exception description #1807

aio-libs · Apr 12, 2017 · 11df8d2 · 11df8d2
1 parent 8a7832a
commit 11df8d2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/aiohttp/web_response.py b/aiohttp/web_response.py
@@ -388,7 +388,7 @@ def write(self, data):
         if self._eof_sent:
             raise RuntimeError("Cannot call write() after write_eof()")
         if self._payload_writer is None:
-            raise RuntimeError("Cannot call write() before start()")
+            raise RuntimeError("Cannot call write() before prepare()")
 
         return self._payload_writer.write(data)