# pydoc > _testsinglephase

Help on module _testsinglephase:

## NAME
    _testsinglephase - Test module _testsinglephase

## MODULE REFERENCE
    <https://docs.python.org/3.12/library/_testsinglephase.html>

    The following documentation is automatically generated from the Python
    source files.  It may be incomplete, incorrect or include features that
    are considered implementation detail and may vary between Python
    implementations.  When in doubt, consult the module reference at the
    location listed above.

## CLASSES
    builtins.Exception(builtins.BaseException)
        error

### class error
     |  Method resolution order:
     |      error
     |      builtins.Exception
     |      builtins.BaseException
     |      builtins.object
     |
     |  Data descriptors defined here:
     |
     |  __weakref__
     |      list of weak references to the object
     |
     |  ----------------------------------------------------------------------
     |  Methods inherited from builtins.Exception:
     |
     |  __init__(self, /, *args, **kwargs)
     |      Initialize self.  See help(type(self)) for accurate signature.
     |
     |  ----------------------------------------------------------------------
     |  Static methods inherited from builtins.Exception:
     |
     |  __new__(*args, **kwargs) class method of builtins.Exception
     |      Create and return a new object.  See help(type) for accurate signature.
     |
     |  ----------------------------------------------------------------------
     |  Methods inherited from builtins.BaseException:
     |
     |  __delattr__(self, name, /)
     |      Implement delattr(self, name).
     |
     |  __getattribute__(self, name, /)
     |      Return getattr(self, name).
     |
     |  __reduce__(...)
     |      Helper for pickle.
     |
     |  __repr__(self, /)
     |      Return repr(self).
     |
     |  __setattr__(self, name, value, /)
     |      Implement setattr(self, name, value).
     |
     |  __setstate__(...)
     |
     |  __str__(self, /)
     |      Return str(self).
     |
     |  add_note(...)
     |      [Exception.add_note(note)](https://www.chedong.com/phpMan.php/man/Exception.addnote/note/markdown) --
     |      add a note to the exception
     |
     |  with_traceback(...)
     |      Exception.with_traceback(tb) --
     |      set self.__traceback__ to tb and return self.
     |
     |  ----------------------------------------------------------------------
     |  Data descriptors inherited from builtins.BaseException:
     |
     |  __cause__
     |      exception cause
     |
     |  __context__
     |      exception context
     |
     |  __dict__
     |
     |  __suppress_context__
     |
     |  __traceback__
     |
     |  args

## FUNCTIONS
### initialized_count
        initialized_count()

        Return how many times the module has been initialized.

### look_up_self
        look_up_self()

        Return the module associated with this module's def.m_base.m_index.

### state_initialized
        state_initialized()

        Return the seconds-since-epoch when the module state was initialized.

### sum
        sum(i,j)

        Return the sum of i and j.

## DATA
    int_const = 1969
    str_const = 'something different'

## FILE
    /usr/lib/python3.12/lib-dynload/_testsinglephase.cpython-312-x86_64-linux-gnu.so