nubia/internal/exceptions.py (8 lines of code) (raw):
#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
#
class CommandParseError(Exception):
pass
class CommandError(Exception):
pass
class UnknownCommand(CommandError):
pass
class ArgsValidationError(Exception):
pass