title: Zappa deployment error - troposphere==2.7.1 didn't help AttributeError: 'Template' object has no attribute 'add_description'
body: <p>I have migrated my python project from 2.7 to 3.8. and I am trying to deploy using zappa.
  But, as soon as it's starting updating Lambda function configs  it hits this error.</p>
  <pre><code>Updating Lambda function configuration..
  Oh no! An error occurred! :(
  
  ==============
  
  Traceback (most recent call last):
    File &quot;/Users/leilakarimi/Projects/ATGWSams/venv/lib/python3.7/site-packages/zappa/cli.py&quot;, line 3422, in handle
      sys.exit(cli.handle())
    File &quot;/Users/leilakarimi/Projects/ATGWSams/venv/lib/python3.7/site-packages/zappa/cli.py&quot;, line 588, in handle
      self.dispatch_command(self.command, stage)
    File &quot;/Users/leilakarimi/Projects/ATGWSams/venv/lib/python3.7/site-packages/zappa/cli.py&quot;, line 644, in dispatch_command
      self.vargs[&quot;docker_image_uri&quot;],
    File &quot;/Users/leilakarimi/Projects/ATGWSams/venv/lib/python3.7/site-packages/zappa/cli.py&quot;, line 1194, in update
      endpoint_configuration=self.endpoint_configuration,
    File &quot;/Users/leilakarimi/Projects/ATGWSams/venv/lib/python3.7/site-packages/zappa/core.py&quot;, line 2417, in create_stack_template
      self.cf_template.add_description(&quot;Automatically generated with Zappa&quot;)
  AttributeError: 'Template' object has no attribute 'add_description'
  </code></pre>
  <p>I found this question and tried to downgrade troposphere as suggested in this <a href="https://stackoverflow.com/questions/68391621/zappa-deploy-fails-with-attributeerror-template-object-has-no-attribute-add">post</a>  but again I face a new error as below:</p>
  <pre><code>   ERROR: Command errored out with exit status 1:
       command: /Users/leilakarimi/Projects/ATGWSams/venv/bin/python -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '&quot;'&quot;'/private/var/folders/2q/m5qvgtkj1872r4695zkbpln80000gn/T/pip-install-w9uojyvq/troposphere_527f0b9692da4c9ca1d6451190752408/setup.py'&quot;'&quot;'; __file__='&quot;'&quot;'/private/var/folders/2q/m5qvgtkj1872r4695zkbpln80000gn/T/pip-install-w9uojyvq/troposphere_527f0b9692da4c9ca1d6451190752408/setup.py'&quot;'&quot;';f = getattr(tokenize, '&quot;'&quot;'open'&quot;'&quot;', open)(__file__) if os.path.exists(__file__) else io.StringIO('&quot;'&quot;'from setuptools import setup; setup()'&quot;'&quot;');code = f.read().replace('&quot;'&quot;'\r\n'&quot;'&quot;', '&quot;'&quot;'\n'&quot;'&quot;');f.close();exec(compile(code, __file__, '&quot;'&quot;'exec'&quot;'&quot;'))' egg_info --egg-base /private/var/folders/2q/m5qvgtkj1872r4695zkbpln80000gn/T/pip-pip-egg-info-hguo5f3y
           cwd: /private/var/folders/2q/m5qvgtkj1872r4695zkbpln80000gn/T/pip-install-w9uojyvq/troposphere_527f0b9692da4c9ca1d6451190752408/
      Complete output (1 lines):
      error in troposphere setup command: use_2to3 is invalid.
      ----------------------------------------
  WARNING: Discarding https://files.pythonhosted.org/packages/35/a1/cfb1f6b2f271213da05fd5c67cda0256d7d841ba0edbfa815ae517c6235d/troposphere-2.2.0.tar.gz#sha256=b2e322063e2278e7d69822943d230b683ce9a0438db8ad017f610d344998453d (from https://pypi.org/simple/troposphere/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
  ERROR: Could not find a version that satisfies the requirement troposphere==2.7.1 (from versions: 0.1.2, 0.2.0, 0.3.0, 0.3.2, 0.3.3, 0.3.4, 0.4.0, 0.5.0, 0.6.0, 0.6.1, 0.6.2, 0.7.0, 0.7.1, 0.7.2, 1.0.0, 1.1.0, 1.1.1, 1.1.2, 1.2.0, 1.2.1, 1.2.2, 1.3.0, 1.4.0, 1.5.0, 1.6.0, 1.7.0, 1.8.0, 1.8.1, 1.8.2, 1.9.0, 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6, 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1, 2.1.2, 2.2.0, 2.2.1, 2.2.2, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.7.0, 2.7.1, 3.0.0, 3.0.1, 3.0.2, 3.0.3)
  ERROR: No matching distribution found for troposphere==2.7.1
  </code></pre>
  <p>Any thoughts/help is much appreciated.
  thanks</p>