correct a bad default value in http utility

[arnisoph]

• caused by Sanitize sensitive fields in http.query() #25668
• seems to need test cases!
• please backport!

----------
          ID: haste_server_started
    Function: module.run
        Name: http.query
      Result: False
     Comment: Module function http.query threw an exception. Exception: 'NoneType' object is not iterable
     Started: 12:20:14.064283
    Duration: 2.227 ms
     Changes:

[cachedout]

@bechtoldt We can't have mutable default arguments. This should probably be returned to None as the default function arg and then detect None for the arg in the body of the function and assign it to an empty list at that point.

[arnisoph]

hm, okay. I'll update my PR

[cachedout]

@bechtoldt Much appreciated. Thanks!

[cachedout]

Merged! Thanks, @bechtoldt