Update response.py

Fix linting issue

Author: foxy82

adafruit_httpserver/response.py

@@ -245,7 +245,6 @@ def _send_bytes(
             except OSError as exc:
                 if exc.errno == EAGAIN:
                     continue
-                elif exc.errno == ECONNRESET:
+                if exc.errno == ECONNRESET:
                     return
-                else:
-                    raise exc
+                raise