Remove MethodNotImplementedError and A2AServerError

Author: ishymko

src/a2a/server/apps/jsonrpc/jsonrpc_app.py

@@ -50,7 +50,6 @@
 )
 from a2a.utils.errors import (
     A2AError,
-    MethodNotImplementedError,
     UnsupportedOperationError,
 )
 from a2a.utils.helpers import maybe_await
@@ -395,11 +394,6 @@ async def _handle_requests(self, request: Request) -> Response:  # noqa: PLR0911
             return await self._process_non_streaming_request(
                 request_id, specific_request, call_context
             )
-        except MethodNotImplementedError:
-            traceback.print_exc()
-            return self._generate_error_response(
-                request_id, UnsupportedOperationError()
-            )
         except json.decoder.JSONDecodeError as e:
             traceback.print_exc()
             return self._generate_error_response(

src/a2a/utils/errors.py

@@ -106,25 +106,6 @@ class MethodNotFoundError(A2AError):
 ]
 
 
-class A2AServerError(Exception):
-    """Base exception for A2A Server errors."""
-
-
-class MethodNotImplementedError(A2AServerError):
-    """Exception raised for methods that are not implemented by the server handler."""
-
-    def __init__(
-        self, message: str = 'This method is not implemented by the server'
-    ):
-        """Initializes the MethodNotImplementedError.
-
-        Args:
-            message: A descriptive error message.
-        """
-        self.message = message
-        super().__init__(f'Not Implemented operation Error: {message}')
-
-
 class ServerError(Exception):
     """Wrapper exception for A2A errors originating from the server's logic.