npm state: installed -> installed_pkgs, to avoid shadowing func of sa…

…me name

salt/states/npm.py

@@ -30,13 +30,13 @@ def installed(name,
     prefix = name.split('@')[0].split('<')[0].split('>')[0].strip()
 
     try:
-        installed = __salt__['npm.list'](dir=dir)
+        installed_pkgs = __salt__['npm.list'](dir=dir)
     except (CommandNotFoundError, CommandExecutionError) as err:
         ret['result'] = False
         ret['comment'] = 'Error installing \'{0}\': {1}'.format(name, err)
         return ret
 
-    if prefix.lower() in (p.lower() for p in installed):
+    if prefix.lower() in (p.lower() for p in installed_pkgs):
         if force_reinstall is False:
             ret['result'] = True
             ret['comment'] = 'Package already installed'
@@ -88,13 +88,13 @@ def removed(name,
     ret = {'name': name, 'result': None, 'comment': '', 'changes': {}}
 
     try:
-        installed = __salt__['npm.list'](dir=dir)
+        installed_pkgs = __salt__['npm.list'](dir=dir)
     except (CommandExecutionError, CommandNotFoundError) as err:
         ret['result'] = False
         ret['comment'] = 'Error uninstalling \'{0}\': {1}'.format(name, err)
         return ret
 
-    if name not in installed:
+    if name not in installed_pkgs:
         ret["result"] = True
         ret["comment"] = "Package is not installed."
         return ret