Merge pull request #1461 from mishaker/fix_talib

cd build_helpers added before extracting Tar

setup.sh

@@ -45,6 +45,7 @@ function updateenv () {
 
 # Install tab lib
 function install_talib () {
+    cd build_helpers
     tar zxvf ta-lib-0.4.0-src.tar.gz
     cd ta-lib
     sed -i.bak "s|0.00000001|0.000000000000000001 |g" src/ta_func/ta_utility.h
@@ -52,6 +53,7 @@ function install_talib () {
     make
     sudo make install
     cd .. && rm -rf ./ta-lib/
+    cd ..
 }
 
 # Install bot MacOS