DOCS fix transport class references

Author: leszekhanusz

docs/transports/aiohttp.rst

@@ -5,7 +5,7 @@ AIOHTTPTransport
 
 This transport uses the `aiohttp`_ library and allows you to send GraphQL queries using the HTTP protocol.
 
-Reference: :py:class:`gql.transport.aiohttp.AIOHTTPTransport`
+Reference: :class:`gql.transport.aiohttp.AIOHTTPTransport`
 
 .. note::
 

docs/transports/requests.rst

@@ -6,7 +6,7 @@ RequestsHTTPTransport
 The RequestsHTTPTransport is a sync transport using the `requests`_ library
 and allows you to send GraphQL queries using the HTTP protocol.
 
-Reference: :py:class:`gql.transport.requests.RequestsHTTPTransport`
+Reference: :class:`gql.transport.requests.RequestsHTTPTransport`
 
 .. literalinclude:: ../code_examples/requests_sync.py
 

docs/transports/websockets.rst

@@ -12,7 +12,7 @@ It will detect the backend supported protocol from the response http headers ret
 
 This transport allows to do multiple queries, mutations and subscriptions on the same websocket connection.
 
-Reference: :py:class:`gql.transport.websockets.WebsocketsTransport`
+Reference: :class:`gql.transport.websockets.WebsocketsTransport`
 
 .. literalinclude:: ../code_examples/websockets_async.py