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Doing sudo -H pip install --upgrade ansible should have worked, but pip is failing build these days, and packages aren't gettig
installed with pip.

An alternative:

sneha@sneha-lenovo-z51-70:~$ sudo apt-get remove ansible
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:

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sneha@sneha-lenovo-z51-70:~/experimenting/src/exchange$ script/dev/provision/localhost
[DEPRECATION WARNING]: DEFAULT_SUDO_EXE option, In favor of Ansible Become, 
which is a generic framework. See become_exe. , use become instead. This 
feature will be removed in version 2.8. Deprecation warnings can be disabled by
 setting deprecation_warnings=False in ansible.cfg.
[DEPRECATION WARNING]: DEFAULT_SUDO_USER option, In favor of Ansible Become, 
which is a generic framework. See become_user. , use become instead. This 
feature will be removed in version 2.8. Deprecation warnings can be disabled by
 setting deprecation_warnings=False in ansible.cfg.

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Fixing npm On Mac OS X for Homebrew Users

Installing node through Homebrew can cause problems with npm for globally installed packages. To fix it quickly, use the solution below. An explanation is also included at the end of this document.

Solution

This solution fixes the error caused by trying to run npm update npm -g. Once you're finished, you also won't need to use sudo to install npm modules globally.

Before you start, make a note of any globally installed npm packages. These instructions will have you remove all of those packages. After you're finished you'll need to re-install them.

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sneha@sneha-lenovo-z51-70:~/experimenting/src/exchange$ script/dev/provision/localhost
[DEPRECATION WARNING]: DEFAULT_SUDO_EXE option, In favor of Ansible Become, which is a generic framework. See become_exe. , use become instead. This feature will be removed in version 2.8. Deprecation 
warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
[DEPRECATION WARNING]: DEFAULT_SUDO_USER option, In favor of Ansible Become, which is a generic framework. See become_user. , use become instead. This feature will be removed in version 2.8. Deprecation 
warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.

PLAY [all] *************************************************************************************************************************************************************************************************

TASK [Gathering Facts] ***********************************************************************************************************************************************

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sudo apt-get install ruby2.5
sudo apt-get install ruby-switch
ruby-switch --list
sudo ruby-switch --set ruby2.5

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cycles, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99
offers, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 20, 20, 21, 21, 22, 23, 24, 24, 25, 26, 27, 28, 29, 30, 31, 31, 32, 31, 32, 33, 34, 34, 35, 36, 37, 36, 37, 38, 39, 40, 41, 39, 40, 41, 42, 43, 44, 45, 46, 45, 46, 46, 47, 47, 48, 45, 46, 44, 45, 45, 46, 45, 46, 47, 48, 47, 48, 48, 49, 50, 51, 51, 52, 52, 53, 51, 52, 53, 54, 55, 56, 56, 57, 56, 57, 55, 56, 55
contracts, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 7, 7, 8, 8, 10, 10, 10, 10, 11, 11, 11, 

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        var renderChart = function(data) {
        var chart_data = formatDataForChart(data)
        var ctx = document.getElementById('canvas').getContext('2d')
        window.my_chart = new Chart(ctx, {
                //your chart scaffolding
        })
      }
      var formatDataForChart = function(content) {
        var first_item = _.get(content, '[0]', {})
        var column_labels = _.map(_.omit(first_item, ['cycles']), function(val, key) {