fix install python

tools/dockerfiles/build_scripts/install_python.sh

@@ -29,10 +29,12 @@ elif [[ "$VERSION" == "3.6" ]];then
     CFLAGS="-Wformat" ./configure --prefix=/usr/local/ --enable-shared > /dev/null && \
     make -j8 > /dev/null && make altinstall > /dev/null && ldconfig
     cd .. && rm -rf Python-3.6.8*
+    python3.6 -m pip install -U pip
 elif [[ "$VERSION" == "3.7" ]];then
     wget -q https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tgz && \
     tar -xzf Python-3.7.0.tgz && cd Python-3.7.0 && \
     CFLAGS="-Wformat" ./configure --prefix=/usr/local/ --enable-shared > /dev/null && \
     make -j8 > /dev/null && make altinstall > /dev/null && ldconfig
     cd .. && rm -rf Python-3.7.0*
+    python3.7 -m pip install -U pip
 fi