fixup! Refactor stream handling to expose event labels

Author: ingemar

lib/openai/stream.rb

@@ -18,7 +18,7 @@ def initialize(user_proc:, parser: EventStreamParser::Parser.new)
     end
 
     def call(chunk, _bytes, env)
-      handle_http_error(chunk: chunk, env: env) if env&.status != 200
+      handle_http_error(chunk: chunk, env: env) if env && env.status != 200
 
       parser.feed(chunk) do |event, data|
         next if data == DONE

spec/openai/client/stream_spec.rb

@@ -2,7 +2,7 @@
   let(:user_proc) { proc { |data, event| [data, event] } }
   let(:stream) { OpenAI::Stream.new(user_proc: user_proc) }
   let(:bytes) { 0 }
-  let(:env) { Faraday::Env.new(status: 200) }
+  let(:env) { Faraday::Env.new.tap { |env| env.status = 200 } }
 
   describe "#call" do
     context "with a proc" do