Make hash function in Coder base class more conservative.

[tvalentyn]

[BEAM-3724]
Make hash function in Coder base class more conservative, to avoid evaluating hash based on potentially mutable collection.

DESCRIPTION HERE

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[tvalentyn]

R: @RobbeSneyders

[tvalentyn]

cc: @aaltay cc:@Fematich

[tvalentyn]

retest this please

[RobbeSneyders]

Seems like your coders.py file was renamed.

[tvalentyn]

Thanks for taking a look, you are right. Looks like I need to get better control of my trackpad :) Closing this in favor of #5429