trying to install localstack with pip(pip2) and python 2.7
* OS: ubuntu 18.04 LTS 
* verify python:  python --version   ====> Output: Python 2.7.15+
* verify python location: whereis python ===> python: /usr/bin/python2.7-config /usr/bin/python /usr/bin/python3.6m /usr/bin/python3.6 /usr/bin/python2.7 /usr/lib/python3.7 /usr/lib/python3.6 /usr/lib/python2.7 /etc/python /etc/python3.6 /etc/python2.7 /usr/local/lib/python3.6 /usr/local/lib/python2.7 /usr/include/python3.6m /usr/include/python2.7 /usr/share/python /usr/share/man/man1/python.1.gz

* ls -l /usr/bin/python ====> lrwxrwxrwx 1 root root 9 Apr 16  2018 /usr/bin/python -> python2.7
* check PATH: echo $PATH ====> OTHERPATH:/usr/bin:OTHERPATH

* check pip:  pip --version ====> pip 9.0.1 from /usr/lib/python2.7/dist-packages (python 2.7)
* check pip bin PATH: whereis pip ====> pip: /usr/bin/pip
* pip3 is not installed.

[install.log](https://github.com/localstack/localstack/files/3843879/install.log)

* check localstack install status: pip list ====> localstack (0.10.5)
localstack-client (0.15)
localstack-ext (0.10.59)

* check docker version: docker --version
Docker version 19.03.1, build 74b1e89


* start localstack:   localstack start ====>
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (3.0.4) doesn't match a supported version!
Traceback (most recent call last):
  File "/home/jguo/.local/bin/localstack", line 35, in <module>
    from localstack.utils import cli, bootstrap
  File "/home/jguo/.local/lib/python2.7/site-packages/localstack/utils/cli.py", line 3, in <module>
    from localstack.utils.bootstrap import (
  File "/home/jguo/.local/lib/python2.7/site-packages/localstack/utils/bootstrap.py", line 11, in <module>
    import pip as pip_mod
  File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 31, in <module>
    from pip.vcs import git, mercurial, subversion, bazaar  # noqa
  File "/usr/lib/python2.7/dist-packages/pip/vcs/mercurial.py", line 9, in <module>
    from pip.download import path_to_url
  File "/usr/lib/python2.7/dist-packages/pip/download.py", line 40, in <module>
    from pip._vendor import requests, six
ImportError: cannot import name requests




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import io
import os
import re
import sys
import json
import uuid
import time
import glob
import base64
import socket
import hashlib
import decimal
import logging
import zipfile
import binascii
import tempfile
import threading
import subprocess
import six