Merge indentation fixes with 3.3.

Doc/library/exceptions.rst

@@ -449,30 +449,31 @@ depending on the system error code.
 
 .. exception:: ConnectionError
 
-   A base class for connection-related issues.  Subclasses are
-   :exc:`BrokenPipeError`, :exc:`ConnectionAbortedError`,
+   A base class for connection-related issues.
+
+   Subclasses are :exc:`BrokenPipeError`, :exc:`ConnectionAbortedError`,
    :exc:`ConnectionRefusedError` and :exc:`ConnectionResetError`.
 
-   .. exception:: BrokenPipeError
+.. exception:: BrokenPipeError
 
    A subclass of :exc:`ConnectionError`, raised when trying to write on a
    pipe while the other end has been closed, or trying to write on a socket
    which has been shutdown for writing.
    Corresponds to :c:data:`errno` ``EPIPE`` and ``ESHUTDOWN``.
 
-   .. exception:: ConnectionAbortedError
+.. exception:: ConnectionAbortedError
 
    A subclass of :exc:`ConnectionError`, raised when a connection attempt
    is aborted by the peer.
    Corresponds to :c:data:`errno` ``ECONNABORTED``.
 
-   .. exception:: ConnectionRefusedError
+.. exception:: ConnectionRefusedError
 
    A subclass of :exc:`ConnectionError`, raised when a connection attempt
    is refused by the peer.
    Corresponds to :c:data:`errno` ``ECONNREFUSED``.
 
-   .. exception:: ConnectionResetError
+.. exception:: ConnectionResetError
 
    A subclass of :exc:`ConnectionError`, raised when a connection is
    reset by the peer.