additional error info removed

Author: jeevatkm

os.go

@@ -4,17 +4,14 @@
 
 package ess
 
-import (
-	"fmt"
-	"os"
-)
+import "os"
 
 // MkDirAll method creates nested directories with given permission if not exists
 func MkDirAll(path string, mode os.FileMode) error {
 	if _, err := os.Lstat(path); err != nil {
 		if os.IsNotExist(err) {
 			if err = os.MkdirAll(path, mode); err != nil {
-				return fmt.Errorf("unable to create directory '%v': %v", path, err)
+				return err
 			}
 		}
 	}