title: Unexpected output of 'arch' on OSX (using Mac M1 installing elastic beans)
body: <p>when trying to install elastic beans on MacBook Air M1, using the following:</p>
  <p><code>% ./aws-elastic-beanstalk-cli-setup/scripts/bundled_installer</code></p>
  <p>as guidelines shown here:
  <a href="https://github.com/aws/aws-elastic-beanstalk-cli-setup" rel="noreferrer">https://github.com/aws/aws-elastic-beanstalk-cli-setup</a></p>
  <p>I get the following error:</p>
  <pre><code>
  5. Installing Python 3.7.2. This step may take a few minutes
  ************************************************************
  python-build: use openssl from homebrew
  python-build: use readline from homebrew
  Downloading Python-3.7.2.tar.xz...
  -&gt; https://www.python.org/ftp/python/3.7.2/Python-3.7.2.tar.xz
  Installing Python-3.7.2...
  python-build: use readline from homebrew
  
  BUILD FAILED (OS X 11.1 using python-build 20180424)
  
  Inspect or clean up the working tree at /var/folders/2v/7tdwpjsd3jzdw75jmp2n5trh0000gn/T/python-build.20201225141032.70517
  Results logged to /var/folders/2v/7tdwpjsd3jzdw75jmp2n5trh0000gn/T/python-build.20201225141032.70517.log
  
  Last 10 log lines:
  checking size of _Bool... 1
  checking size of off_t... 8
  checking whether to enable large file support... no
  checking size of time_t... 8
  checking for pthread_t... yes
  checking size of pthread_t... 8
  checking size of pthread_key_t... 8
  checking whether pthread_key_t is compatible with int... no
  configure: error: Unexpected output of 'arch' on OSX
  make: *** No targets specified and no makefile found.  Stop.
     Exiting due to failure
  </code></pre>
  <p>Thank you for helping!!!</p>