1 files changed, 5 insertions, 1 deletions
diff --git a/requests/exceptions.py b/requests/exceptions.py
index c0588f6..22207e3 100644
--- a/requests/exceptions.py
+++ b/requests/exceptions.py
@@ -9,7 +9,7 @@ This module contains the set of Requests' exceptions.
 """
 
 
-class RequestException(RuntimeError):
+class RequestException(IOError):
     """There was an ambiguous exception that occurred while handling your
     request."""
 
@@ -53,3 +53,7 @@ class InvalidSchema(RequestException, ValueError):
 
 class InvalidURL(RequestException, ValueError):
     """ The URL provided was somehow invalid. """
+
+
+class ChunkedEncodingError(RequestException):
+    """The server declared chunked encoding but sent an invalid chunk."""