diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 7e1a6009b736..8bd37bb75b9e 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -81,3 +81,10 @@ List of Contributors
 * [nowozin](https://github.com/nowozin)
 * [Mathis](https://github.com/sveitser)
 * [sennendoko](https://github.com/sennendoko)
+* [srand99](https://github.com/srand99)
+* [Yizhi Liu](https://github.com/javelinjs)
+* [Taiyun](https://github.com/taiyun)
+* [Yanghao Li](https://github.com/lyttonhao)
+* [Nan Zhu](https://github.com/CodingCat)
+* [Ye Zhou](https://github.com/zhouye)
+* [Zhang Chen](https://github.com/zhangchen-qinyinghua)
diff --git a/doc/build.md b/doc/build.md
index 1914b05e8c57..026e56311276 100644
--- a/doc/build.md
+++ b/doc/build.md
@@ -87,6 +87,8 @@ Some of the users might meet the link error `ld: library not found for -lgomp`,
 To resolve this issue, run the following commands:
 
 ```
+sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist # this creates the locate database if it does not exist
+
 locate libgomp.dylib #copy the path which is generated by this command, say path1
 
 ln -s path1 /usr/local/lib/libgomp.dylib
diff --git a/python/mxnet/ndarray.py b/python/mxnet/ndarray.py
index 3485b9b240f9..235d50b4534d 100644
--- a/python/mxnet/ndarray.py
+++ b/python/mxnet/ndarray.py
@@ -568,7 +568,6 @@ def _make_ndarray_function(handle):
     NDARRAY_ARG_BEFORE_SCALAR = 1
     ACCEPT_EMPTY_MUTATE_TARGET = 1 << 2
     # Get the property of NDArray
-    n_mutate_vars = 0
     n_used_vars = mx_uint()
     n_scalars = mx_uint()
     n_mutate_vars = mx_uint()
diff --git a/src/io/image_augmenter.h b/src/io/image_augmenter.h
index b76b8da4650e..5a640bc97802 100644
--- a/src/io/image_augmenter.h
+++ b/src/io/image_augmenter.h
@@ -192,20 +192,20 @@ class ImageAugmenter {
         y /= 2; x /= 2;
       }
       cv::Rect roi(x, y, rand_crop_size, rand_crop_size);
-      cv::resize(res(roi), res, cv::Size(param_.data_shape[1], param_.data_shape[2]));
+      cv::resize(res(roi), res, cv::Size(param_.data_shape[2], param_.data_shape[1]));
     } else {
-      CHECK(static_cast<index_t>(res.cols) >= param_.data_shape[1]
-            && static_cast<index_t>(res.rows) >= param_.data_shape[2])
+      CHECK(static_cast<index_t>(res.rows) >= param_.data_shape[1]
+            && static_cast<index_t>(res.cols) >= param_.data_shape[2])
           << "input image size smaller than input shape";
-      index_t y = res.rows - param_.data_shape[2];
-      index_t x = res.cols - param_.data_shape[1];
+      index_t y = res.rows - param_.data_shape[1];
+      index_t x = res.cols - param_.data_shape[2];
       if (param_.rand_crop != 0) {
         y = std::uniform_int_distribution<index_t>(0, y)(*prnd);
         x = std::uniform_int_distribution<index_t>(0, x)(*prnd);
       } else {
         y /= 2; x /= 2;
       }
-      cv::Rect roi(x, y, param_.data_shape[1], param_.data_shape[2]);
+      cv::Rect roi(x, y, param_.data_shape[2], param_.data_shape[1]);
       res = res(roi);
     }
     return res;