Added imio.helpers as dependency

Makefile

@@ -4,8 +4,8 @@ all: run
 
 .PHONY: bootstrap buildout run test cleanall
 bootstrap:
-	virtualenv-2.7 .
-	./bin/python bootstrap.py
+	if command -v python2 >/dev/null && command -v virtualenv; then virtualenv -p python2 . ; elif command -v virtualenv-2.7; then virtualenv-2.7 . ;fi
+	bin/pip install -r requirements.txt
 
 buildout:
 	if ! test -f bin/buildout;then make bootstrap;fi

buildout.d/versions.cfg

@@ -5,4 +5,5 @@ coverage = 5.3.1
 ipdb = 0.11
 ipython = 5.7.0
 traitlets = 4.3.3
-isort = 4.3.21
+isort = 4.3.21
+zc.lockfile = 1.4

setup.py

@@ -33,6 +33,7 @@
     zip_safe=False,
     install_requires=[
         "plone.api",
+        "imio.helpers>=0.52",
         "setuptools",
     ],
     extras_require={