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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return
        logs_client = aws_stack.connect_to_service('logs')
        log_group_name = '/aws/lambda/%s' % func_details.name()
        time_str = time.strftime('%Y/%m/%d', time.gmtime(invocation_time))
        log_stream_name = '%s/[$LATEST]%s' % (time_str, short_uid())
        
        log_groups = logs_client.describe_log_groups()['logGroups']
        log_groups = [lg['logGroupName'] for lg in log_groups]
        if log_group_name not in log_groups:
            try:
                logs_client.create_log_group(logGroupName=log_group_name)
            except Exception as e:
                if 'ResourceAlreadyExistsException' in str(e):
                    
                    pass
                else:
                    raise e
        
        logs_client.create_log_stream(logGroupName=log_group_name, logStreamName=log_stream_name)
        
        invocation_time = invocation_time
        finish_time = int(time.time() * 1000)
        log_lines = log_output.split('\n')
        time_diff_per_line = float(finish_time - invocation_time) / float(len(log_lines))
        log_events = []
        for i, line in enumerate(log_lines):
            if not line:
                continue
            
            log_time = invocation_time + float(i) * time_diff_per_line