Python加載失敗

　　昨晚發現，正常運行的C調用Python，忽然出問題了，有時加載Python系統失敗．日誌以下：

/usr/local/lib/python2.7/dist-packages/sklearn/utils/__init__.py:12: RuntimeWarning: numpy.dtype size changed, may indicate binary incompatibility. Expected 96, got 88
  from .murmurhash import murmurhash3_32
/usr/local/lib/python2.7/dist-packages/sklearn/utils/extmath.py:23: RuntimeWarning: numpy.dtype size changed, may indicate binary incompatibility. Expected 96, got 88
  from ._logistic_sigmoid import _log_logistic_sigmoid
/usr/local/lib/python2.7/dist-packages/sklearn/utils/extmath.py:25: RuntimeWarning: numpy.dtype size changed, may indicate binary incompatibility. Expected 96, got 88
  from .sparsefuncs_fast import csr_row_norms
/usr/local/lib/python2.7/dist-packages/sklearn/metrics/cluster/supervised.py:25: RuntimeWarning: numpy.dtype size changed, may indicate binary incompatibility. Expected 96, got 88
  from .expected_mutual_info_fast import expected_mutual_information
/usr/local/lib/python2.7/dist-packages/sklearn/metrics/pairwise.py:31: RuntimeWarning: numpy.dtype size changed, may indicate binary incompatibility. Expected 96, got 88
  from .pairwise_fast import _chi2_kernel_fast, _sparse_manhattan

　　加載到這裏，就跑不下去了，也不知道哪裏的問題．