fix: force python 2.7 dependency

Dockerfile

@@ -2,7 +2,7 @@ FROM centos:centos7
 MAINTAINER Fabrice Allain <fabrice.allain@pasteur.fr>
 
 RUN yum install -y epel-release
-RUN yum install -y python2-pip python-devel gcc gcc-c++ make git wget
+RUN yum install -y python2-pip python-devel gcc gcc-c++ make git wget which
 RUN curl --silent --location https://rpm.nodesource.com/setup_8.x | bash -; yum -y install nodejs
 
 RUN npm install -g --save-dev @commitlint/{cli,config-conventional}; npm install -g conventional-changelog-cli
@@ -16,7 +16,6 @@ RUN mkdir build-aria && mkdir build-aria/src
 ADD src/aria /build-aria/src/aria
 ADD *.py PKG-INFO /build-aria/
 RUN ls build-aria/src/aria
-RUN type pip; type python
-RUN pip --version
-RUN cd build-aria; /usr/lib/python2.7/site-packages/pip install .; npm install --save-dev husky
+RUN which pip; which python
+RUN cd build-aria; pip install .; npm install --save-dev husky
 RUN npx yarn add husky --dev