SC3.15 and above: ERROR: Found duplicate instance variable name

[prko]

Hello,

Thank you for your great quark package!
In the recent version of SC3.15-dev, I see the following errors (see supercollider/supercollider#7423 (comment)):

I should let you know it...

ERROR: Found duplicate instance variable name 'channel'
  in file '/Users/prko/Library/Application Support/SuperCollider/downloaded-quarks/NetLib/classes/Hubs.sc'
  line 120 char 47:

  	var <>data, <>transitions, <>weights, <channel='/markov';
                                                 
  	var <>function;
-----------------------------------
WARNING: From version 3.16.0 onwards the preceding error will be a compilation failure, please fix the code before updating.