"""
"""


class ZazoError(Exception):
    """Base of all exceptions
    """


class CannotSatisfy(ZazoError):
    """A requested candidate cannot be satisfied
    """


class GraphError(ZazoError):
    """Base of all Graph related exceptions
    """


class DuplicateVertexError(GraphError):
    """A vertex cannot be duplicated
    """


class NonExistentVertexError(ZazoError):
    """A vertex does not exist in class
    """

@@ -164,265 +164,4 @@
 %22%22%22%0A
-%0A%0Aclass GraphError(ZazoError):%0A    %22%22%22Base of all Graph related exceptions%0A    %22%22%22%0A%0A%0Aclass DuplicateVertexError(GraphError):%0A    %22%22%22A vertex cannot be duplicated%0A    %22%22%22%0A%0A%0Aclass NonExistentVertexError(ZazoError):%0A    %22%22%22A vertex does not exist in class%0A    %22%22%22%0A

Remove redundant exceptions