fix pretrain download path

tools/download.py

@@ -15,7 +15,6 @@
 import sys
 import argparse
 
-sys.path.append("../")
 from ppcls import model_zoo
 
 

tools/run_download.sh

+#!/usr/bin/env bash
+
+export PYTHONPATH=$PWD:$PYTHONPATH
+
+python tools/download.py -a ResNet34 -p ./pretrained/ -d 1