Checklist

• I have checked the issues list
  for similar or identical bug reports.
• I have checked the pull requests list
  for existing proposed fixes.
• I have checked the commit log
  to find out if the bug was already fixed in the main branch.
• I have included all related issues and possible duplicate issues in this issue
  (If there are none, check this box anyway).

Related Issues and Possible Duplicates

Related Issues

• None

Possible Duplicates

• None

Description

This is just a documentation improvement request. Nothing is incorrect. However, I spent a good bit of time debugging a connection issue in Celery because I generated a password with [. So what happened is that I got a weird error in the urllib because it was attempting to parse the password as part of the URL. I'm not sure if there are other characters which would cause issue. The following characters may cause similar problems with urllib:

[ ] ? #

This list may not be complete

Suggestions

• Add documentation around URL safety when setting the broker parameter in the Celery constructor