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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sys.stdout, sys.stderr, sys.__stdout__, sys.__stderr__ = (out, err, __out, __err)
    def _proxy(self, original_stream, type):
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    def _ident(self):
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    def stdout(self):
        return self._stdout.getvalue() if hasattr(self._stdout, 'getvalue') else self._stdout
    def stderr(self):
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def is_string(s, include_unicode=True):
    if isinstance(s, str):
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    if include_unicode and isinstance(s, six.text_type):
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    return False
def is_string_or_bytes(s):
    return is_string(s) or isinstance(s, six.string_types) or isinstance(s, bytes)
def is_base64(s):
    regex = r'^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$'
    return is_string(s) and re.match(regex, s)
def md5(string):