3 files changed, 10 insertions, 12 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py
index 3970b8bf1..5807c837d 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -17,6 +17,14 @@ import os
 import re
 import sys
 
+
+def subprocess_cmd(command):
+    """ execute arbitrary command via Popen """
+    from subprocess import Popen, PIPE
+    p = Popen(command, stdout=PIPE, shell=True)
+    p.communicate()
+
+
 def read_file(path):
     """ Read a file to string """
     with open(path, 'r') as f:
diff --git a/src/conf_mode/interfaces-pppoe.py b/src/conf_mode/interfaces-pppoe.py
index 9c045534c..97b0ff0df 100755
--- a/src/conf_mode/interfaces-pppoe.py
+++ b/src/conf_mode/interfaces-pppoe.py
@@ -19,11 +19,10 @@ import os
 from sys import exit
 from copy import deepcopy
 from jinja2 import Template
-from subprocess import Popen, PIPE
 
 from vyos.config import Config
 from vyos.ifconfig import Interface
-from vyos.util import chown_file, chmod_x_file
+from vyos.util import chown_file, chmod_x_file, subprocess_cmd
 from vyos import ConfigError
 from netifaces import interfaces
 
@@ -189,10 +188,6 @@ default_config_data = {
     'vrf': ''
 }
 
-def subprocess_cmd(command):
-    p = Popen(command, stdout=PIPE, shell=True)
-    p.communicate()
-
 def get_config():
     pppoe = deepcopy(default_config_data)
     conf = Config()
diff --git a/src/conf_mode/interfaces-wirelessmodem.py b/src/conf_mode/interfaces-wirelessmodem.py
index bfefa5dd1..7a10b9c43 100755
--- a/src/conf_mode/interfaces-wirelessmodem.py
+++ b/src/conf_mode/interfaces-wirelessmodem.py
@@ -19,12 +19,11 @@ import os
 from sys import exit
 from copy import deepcopy
 from jinja2 import FileSystemLoader, Environment
-from subprocess import Popen, PIPE
 from netifaces import interfaces
 
 from vyos.config import Config
-from vyos.util import chown_file, chmod_x_file
 from vyos.defaults import directories as vyos_data_dir
+from vyos.util import chown_file, chmod_x_file, subprocess_cmd
 from vyos import ConfigError
 
 default_config_data = {
@@ -45,10 +44,6 @@ default_config_data = {
     'vrf': ''
 }
 
-def subprocess_cmd(command):
-    p = Popen(command, stdout=PIPE, shell=True)
-    p.communicate()
-
 def check_kmod():
     modules = ['option', 'usb_wwan', 'usbserial']
     for module in modules: