Merge branch 'master' into custom-scalar-types

Author: KingDarBoja

gql/transport/async_transport.py

@@ -10,15 +10,15 @@ async def connect(self):
         """Coroutine used to create a connection to the specified address
         """
         raise NotImplementedError(
-            "Any AsyncTransport subclass must implement execute method"
+            "Any AsyncTransport subclass must implement connect method"
         )  # pragma: no cover
 
     @abc.abstractmethod
     async def close(self):
         """Coroutine used to Close an established connection
         """
         raise NotImplementedError(
-            "Any AsyncTransport subclass must implement execute method"
+            "Any AsyncTransport subclass must implement close method"
         )  # pragma: no cover
 
     @abc.abstractmethod
@@ -48,5 +48,5 @@ def subscribe(
         The results are sent as an ExecutionResult object
         """
         raise NotImplementedError(
-            "Any AsyncTransport subclass must implement execute method"
+            "Any AsyncTransport subclass must implement subscribe method"
         )  # pragma: no cover