Define our own ConnectionResetError for 2.7.

Author: Lukasa

hyper/http20/bufsocket.py

@@ -11,6 +11,7 @@
 process.
 """
 import select
+from .exceptions import ConnectionResetError
 
 class BufferedSocket(object):
     """

hyper/http20/exceptions.py

@@ -39,3 +39,13 @@ class ProtocolError(HTTP20Error):
     The remote party violated the HTTP/2 protocol.
     """
     pass
+
+
+# Create our own ConnectionResetError.
+try:  # pragma: no cover
+    ConnectionResetError = ConnectionResetError
+except NameError:  # pragma: no cover
+    class ConnectionResetError(Exception):
+        """
+        A HTTP/2 connection was unexpectedly reset.
+        """