Update isDuplexStream.md

2018-10-03 22:27:46 +03:00
parent a12ae077fb
commit 127e37f245
1 changed files with 0 additions and 1 deletions
--- a/snippets/isDuplexStream.md
+++ b/snippets/isDuplexStream.md
@ -10,7 +10,6 @@ const isDuplexStream = val =>
  val !== null &&
  typeof val === 'object' &&
  typeof val.pipe === 'function' &&
-  typeof val.pipe === 'function' &&
  typeof val._read === 'function' &&
  typeof val._readableState === 'object' &&
  typeof val._write === 'function' &&