Update tflite wheel version to 1.13.1

tutorials/frontend/from_tflite.py

@@ -29,20 +29,32 @@
 
     pip install flatbuffers --user
 
+
 To install TFlite packages, you could use our prebuilt wheel:
 
 .. code-block:: bash
 
     # For python3:
-    wget https://raw.githubusercontent.com/dmlc/web-data/master/tensorflow/tflite/whl/tflite-0.0.1-py3-none-any.whl
-    pip install tflite-0.0.1-py3-none-any.whl --user
+    wget https://raw.githubusercontent.com/dmlc/web-data/master/tensorflow/tflite/whl/tflite-1.13.1-py3-none-any.whl
+    pip3 install tflite-1.13.1-py3-none-any.whl --user
 
     # For python2:
-    wget https://raw.githubusercontent.com/dmlc/web-data/master/tensorflow/tflite/whl/tflite-0.0.1-py2-none-any.whl
-    pip install tflite-0.0.1-py2-none-any.whl --user
+    wget https://raw.githubusercontent.com/dmlc/web-data/master/tensorflow/tflite/whl/tflite-1.13.1-py2-none-any.whl
+    pip install tflite-1.13.1-py2-none-any.whl --user
+
+
+or you could clone FrozenGene/tflite repo which contains generated tflite python module
+
+.. code-block:: bash
+
+    # clone FrozenGene/tflite repo to tflite_repo folder
+    git clone https://github.com/FrozenGene/tflite.git tflite_repo
+
+    # Add git repo folder (which contains generated tflite module) to PYTHONPATH.
+    export PYTHONPATH=${PYTHONPATH:+$PYTHONPATH:}$(pwd)/tflite_repo
 
 
-or you could generate TFLite package by yourself. The steps are as following:
+or you could generate TFLite package yourself. The steps are the following:
 
 .. code-block:: bash
 
@@ -57,13 +69,13 @@
     # Generate TFLite package.
     flatc --python schema.fbs
 
-    # Add it to PYTHONPATH.
-    export PYTHONPATH=/path/to/tflite
+    # Add current folder (which contains generated tflite module) to PYTHONPATH.
+    export PYTHONPATH=${PYTHONPATH:+$PYTHONPATH:}$(pwd)
 
 
 Now please check if TFLite package is installed successfully, ``python -c "import tflite"``
 
-Below you can find an example for how to compile TFLite model using TVM.
+Below you can find an example on how to compile TFLite model using TVM.
 """
 ######################################################################
 # Utils for downloading and extracting zip files