fix ci build

Author: kamilsk

.travis.yml

@@ -11,6 +11,8 @@ go:
 - 1.10.x
 - 1.11.x
 
+go_import_path: github.com/kamilsk/semaphore/v4
+
 sudo: false
 
 before_install:

Makefile

@@ -1,5 +1,5 @@
 PACKAGES := go list ./... | grep -v vendor | grep -v ^_
-SHELL    ?= /bin/bash -euo pipefail
+SHELL    := /bin/bash -euo pipefail
 
 
 .PHONY: test