[xxxxxxx@MacBook-Pro-xxxxxxx: ~]$ ipython
Python 2.7.6 (default, Nov 14 2013, 08:46:28) 
Type "copyright", "credits" or "license" for more information.

IPython 1.1.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: import mpmath 
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-1-a31c8221febe> in <module>()
----> 1 import mpmath

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/mpmath/__init__.py in <module>()
      3 from .usertools import monitor, timing
      4 
----> 5 from .ctx_fp import FPContext
      6 from .ctx_mp import MPContext
      7 from .ctx_iv import MPIntervalContext

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/mpmath/ctx_fp.py in <module>()
----> 1 from .ctx_base import StandardBaseContext
      2 
      3 import math
      4 import cmath
      5 from . import math2

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/mpmath/ctx_base.py in <module>()
      1 from operator import gt, lt
      2 
----> 3 from .libmp.backend import xrange
      4 
      5 from .functions.functions import SpecialFunctions

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/mpmath/libmp/__init__.py in <module>()
----> 1 from .libmpf import (prec_to_dps, dps_to_prec, repr_dps,
      2   round_down, round_up, round_floor, round_ceiling, round_nearest,
      3   to_pickable, from_pickable, ComplexResult,
      4   fzero, fnzero, fone, fnone, ftwo, ften, fhalf, fnan, finf, fninf,
      5   math_float_inf, round_int, normalize, normalize1,

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/mpmath/libmp/libmpf.py in <module>()
     18     BACKEND, STRICT, HASH_MODULUS, HASH_BITS, gmpy, sage, sage_utils)
     19 
---> 20 from .libintmath import (giant_steps,
     21     trailtable, bctable, lshift, rshift, bitcount, trailing,
     22     sqrt_fixed, numeral, isqrt, isqrt_fast, sqrtrem,

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/mpmath/libmp/libintmath.py in <module>()
    300 if BACKEND == 'gmpy':
    301     isqrt_small = isqrt_fast = isqrt = gmpy.sqrt
--> 302     sqrtrem = gmpy.sqrtrem
    303 elif BACKEND == 'sage':
    304     isqrt_small = isqrt_fast = isqrt = \

AttributeError: 'module' object has no attribute 'sqrtrem'