pip3.9 download --no-binary :all: zappa --no-deps
Looking in indexes: https://pypi.python.org/simple
Collecting zappa
  Downloading zappa-0.55.0.tar.gz (166 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 166.5/166.5 kB 893.5 kB/s eta 0:00:00
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [8 lines of output]
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "/tmp/pip-download-2qug6bqt/zappa_d50c219a10d445f6916cf40967821092/setup.py", line 15, in <module>
          "{}{}".format(name, version.strip('"')) if version != '"*"' else name for name, version in pipfile["packages"].items()
        File "/usr/lib/python3.9/configparser.py", line 963, in __getitem__
          raise KeyError(key)
      KeyError: 'packages'
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

pip3.9 download --no-binary :all: zappa --no-deps