Changes due to a bug of the same file in LIBSVM:

    Fix a bug in python/commonutil.py that the function "csr_scale" does not return the scaled data

diff --git a/python/commonutil.py b/python/commonutil.py
index f2da8de50ad6a746225ca02528655fe246e4b00a..fcc6d24ba7770a1c67e732d52331c0127d46473c 100644 (file)
--- a/python/commonutil.py
+++ b/python/commonutil.py
@@ -164,3 +164,5 @@ def csr_scale(x, scale_param):
                        "       > new      #nonzeros %d\n" % scaled_x.getnnz() +
                        "If feature values are non-negative and sparse, get scale_param by setting lower=0 rather than the default lower=-1.",
                        file=sys.stderr)
+
+       return scaled_x