Attempt to appease the linter.

Author: nachogiljaldo

reader.go

@@ -179,7 +179,7 @@ func (r *Reader) commitOffsetsWithRetry(gen *Generation, offsetStash offsetStash
 
 			// IllegalGeneration error is not retriable, but we should attempt to
 			// perform the remaining commits
-			if err == IllegalGenerationErr {
+			if errors.Is(err, IllegalGenerationErr) {
 				r.withErrorLogger(func(l Logger) { l.Printf("%v", err) })
 				illegalGenerationErr = true
 				err = nil