Fixed small issues.

bob/bio/csu/algorithm/LRPCA.py

@@ -74,7 +74,7 @@ class LRPCA (bob.bio.base.algorithm.Algorithm):
     return model_records
 
 
-  def save_model(self, model, model_file):
+  def write_model(self, model, model_file):
     """Saves the enrolled model to file using the pickle module."""
     # just dump the model to .pkl file
     utils.save_pickle(model, model_file)

bob/bio/csu/extractor/LRPCA.py

@@ -44,7 +44,6 @@ class LRPCA (bob.bio.base.extractor.Extractor):
   def _check_image(self, image):
     assert isinstance(image, numpy.ndarray)
     assert image.ndim == 2
-    assert image.dtype == numpy.uint8
 
   def _py_image(self, image):
     """Converts the given image to pyvision images."""