Tesla 1.9.0+ is not compatible with Elixir 1.10

[halostatue]

Tesla advertises itself in its mix.exs as compatible with Elixir ~> 1.10, but since #540, the use of is_struct/2 has made that incorrect.

This should at least be documented by updating mix.exs and advising people in the README/documentation that older versions must use Tesla 1.8 or lower. A "correct" fix for this is somewhat nightmarish (it would involve making hot fix releases for 1.9.x, 1.10.x, and 1.11.x) and using pattern matching (%mod{} … where mod == Stream) on those and then making Tesla 1.12 or later ~> 1.11 (or later!) only.

[yordis]

Do you mind changing the elixir to 1.14+ and clarifying in the readme?

[halostatue]

I won't have time until next week to do so (I know it’s light, but today's "dependency update day", so my regular workday has gone by the wayside).