diff --git a/python-package/xgboost/core.py b/python-package/xgboost/core.py
index b72a859a8..a2389e7fa 100644
--- a/python-package/xgboost/core.py
+++ b/python-package/xgboost/core.py
@@ -584,9 +584,7 @@ class DMatrix(object):
         data: numpy array
             The array of data to be set
         """
-        if getattr(data, 'base', None) is not None and \
-           data.base is not None and isinstance(data, np.ndarray) \
-           and isinstance(data.base, np.ndarray) and (not data.flags.c_contiguous):
+        if isinstance(data, np.ndarray):
             self.set_float_info_npy2d(field, data)
             return
         c_data = c_array(ctypes.c_float, data)
@@ -607,13 +605,15 @@ class DMatrix(object):
         data: numpy array
             The array of data to be set
         """
-        if getattr(data, 'base', None) is not None and \
-           data.base is not None and isinstance(data, np.ndarray) \
-           and isinstance(data.base, np.ndarray) and (not data.flags.c_contiguous):
-            warnings.warn("Use subset (sliced data) of np.ndarray is not recommended " +
-                          "because it will generate extra copies and increase memory consumption")
-            data = np.array(data, copy=True, dtype=np.float32)
-        else:
+        try:
+            if not data.flags.c_contiguous:
+                warnings.warn("Use subset (sliced data) of np.ndarray is not recommended " +
+                              "because it will generate extra copies and increase " +
+                              "memory consumption")
+                data = np.array(data, copy=True, dtype=np.float32)
+            else:
+                data = np.array(data, copy=False, dtype=np.float32)
+        except AttributeError:
             data = np.array(data, copy=False, dtype=np.float32)
         c_data = data.ctypes.data_as(ctypes.POINTER(ctypes.c_float))
         _check_call(_LIB.XGDMatrixSetFloatInfo(self.handle,
@@ -632,13 +632,15 @@ class DMatrix(object):
         data: numpy array
             The array of data to be set
         """
-        if getattr(data, 'base', None) is not None and \
-           data.base is not None and isinstance(data, np.ndarray) \
-           and isinstance(data.base, np.ndarray) and (not data.flags.c_contiguous):
-            warnings.warn("Use subset (sliced data) of np.ndarray is not recommended " +
-                          "because it will generate extra copies and increase memory consumption")
-            data = np.array(data, copy=True, dtype=ctypes.c_uint)
-        else:
+        try:
+            if not data.flags.c_contiguous:
+                warnings.warn("Use subset (sliced data) of np.ndarray is not recommended " +
+                              "because it will generate extra copies and increase " +
+                              "memory consumption")
+                data = np.array(data, copy=True, dtype=ctypes.c_uint)
+            else:
+                data = np.array(data, copy=False, dtype=ctypes.c_uint)
+        except AttributeError:
             data = np.array(data, copy=False, dtype=ctypes.c_uint)
         _check_call(_LIB.XGDMatrixSetUIntInfo(self.handle,
                                               c_str(field),