Code review comment for ~chad.smith/cloud-init:tools/migrate-script

I can't get this to work after removing both branches.

Creating a migration branch: migrate-lp-to-github adding your users
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[30816:30816:1105/175558.038112:ERROR:buffer_manager.cc(488)] [.DisplayCompositor]GL ERROR :GL_INVALID_OPERATION : glBufferData: <- error from previous GL command
[30777:30777:1105/175558.055909:ERROR:account_tracker.cc(241)] AccessTokenFetched error: Invalid credentials (credentials rejected by client).
Fontconfig error: Cannot load default config file
Traceback (most recent call last):
  File "./tools/migrate-lp-user-to-github", line 203, in <module>
  File "./tools/migrate-lp-user-to-github", line 193, in main
  File "/usr/lib/python3/dist-packages/lazr/restfulclient/resource.py", line 609, in __call__
    extra_headers=extra_headers)
  File "/usr/lib/python3/dist-packages/lazr/restfulclient/_browser.py", line 426, in _request
    raise error
lazr.restfulclient.errors.BadRequest: HTTP Error 400: Bad Request
Response headers:
---
-content-encoding: gzip
connection: close
content-length: 155
content-security-policy: frame-ancestors 'self';
content-type: text/plain
date: Tue, 05 Nov 2019 23:56:18 GMT
server: zope.server.http (HTTP)
status: 400
strict-transport-security: max-age=15552000
vary: Accept,Accept-Encoding
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-launchpad-revision: 469f241f4e73cc0bdffa4e30654052a2af068e06
x-lazr-notifications: []
x-powered-by: Zope (www.zope.org), Python (www.python.org)
x-xss-protection: 1; mode=block
---
Response body:
---
b'There is already a branch merge proposal registered for branch ~raharper/cloud-init:migrate-lp-to-github to land on cloud-init:master that is still active.'
---