Lives in zipline.__init__ for doctests.

def setup(self,
          np=np,
          numpy_version=numpy_version,
          StrictVersion=StrictVersion,
          new_pandas=new_pandas):
    """Lives in zipline.__init__ for doctests."""

    if numpy_version >= StrictVersion('1.14'):
        self.old_opts = np.get_printoptions()
        np.set_printoptions(legacy='1.13')
    else:
        self.old_opts = None

    if new_pandas:
        self.old_err = np.geterr()
        # old pandas has numpy compat that sets this
        np.seterr(all='ignore')
    else:
        self.old_err = None