exception MemoryError Raised when an operation runs out of memory but the situation may still be rescued (by deleting some objects)

exception NameError Raised when a local or global name is not found. This applies only to unqualified names. The associated

exception PermissionError Raised when trying to run an operation without the adequate access rights - for example filesystem

exception ConnectionAbortedError A subclass of ConnectionError, raised when a connection attempt is aborted by

exception ImportWarning Base class for warnings about probable mistakes in module imports.

exception IsADirectoryError Raised when a file operation (such as

exception TabError Raised when indentation contains an inconsistent use of tabs and spaces. This is a subclass of Ind

characters_written An integer containing the number of characters written to the stream before it blocked. This attribute is

exception BrokenPipeError A subclass of ConnectionError, raised when trying to write on a pipe while the other

exception RuntimeWarning Base class for warnings about dubious runtime behavior.