diff --git a/include/caffe/blob.hpp b/include/caffe/blob.hpp
index 2f59471c29e..5bdb00254f5 100644
--- a/include/caffe/blob.hpp
+++ b/include/caffe/blob.hpp
@@ -153,13 +153,13 @@ class Blob {
   inline int offset(const int n, const int c = 0, const int h = 0,
       const int w = 0) const {
     CHECK_GE(n, 0);
-    CHECK_LE(n, num());
+    CHECK_LT(n, num());
     CHECK_GE(channels(), 0);
-    CHECK_LE(c, channels());
+    CHECK_LT(c, channels());
     CHECK_GE(height(), 0);
-    CHECK_LE(h, height());
+    CHECK_LT(h, height());
     CHECK_GE(width(), 0);
-    CHECK_LE(w, width());
+    CHECK_LT(w, width());
     return ((n * channels() + c) * height() + h) * width() + w;
   }
 
diff --git a/tools/extra/parse_log.py b/tools/extra/parse_log.py
index 4248e2b87a3..ba7c1f33c5f 100755
--- a/tools/extra/parse_log.py
+++ b/tools/extra/parse_log.py
@@ -172,7 +172,7 @@ def write_csv(output_filename, dict_list, delimiter, verbose=False):
         dict_writer.writeheader()
         dict_writer.writerows(dict_list)
     if verbose:
-        print 'Wrote %s' % output_filename
+        print('Wrote %s' % output_filename)
 
 
 def parse_args():