Remove references to deprecated numpy dtypes

Author: tboggs

spectral/algorithms/classifiers.py

@@ -6,7 +6,6 @@
 
 import logging
 import math
-import numpy
 import numpy as np
 
 from warnings import warn
@@ -217,7 +216,7 @@ def train(self, trainingData):
         '''
         GaussianClassifier.train(self, trainingData)
 
-        covariance = numpy.zeros(self.classes[0].stats.cov.shape, numpy.float)
+        covariance = np.zeros(self.classes[0].stats.cov.shape, float)
         nsamples = np.sum(cl.stats.nsamples for cl in self.classes)
         for cl in self.classes:
             covariance += (cl.stats.nsamples / float(nsamples)) * cl.stats.cov

spectral/algorithms/spatial.py

@@ -615,7 +615,7 @@ def create_mask(i, j, gen_mask=False):
         outer = (outer_imin, outer_imax, outer_jmin, outer_jmax)
         if not gen_mask:
             return (inner, outer)
-        mask = np.zeros((ho, wo), dtype=np.bool)
+        mask = np.zeros((ho, wo), dtype=bool)
         mask[inner_imin - outer_imin : inner_imax - outer_imin,
              inner_jmin - outer_jmin : inner_jmax - outer_jmin] = True
         return (inner, outer, mask)