old_contents: from django import template
  from django.templatetags.static import static
  from django.conf import settings
  
  register = template.Library()
  
  
  @register.simple_tag
  def js_files():
  
      js_files = []
      if hasattr(settings, 'PROSO_JS_FILES'):
          for f in settings.PROSO_JS_FILES:
              print f, static(f)
              js_files.append('<script src="{}"></script>'.format(static(f)))
      return "\n".join(js_files)
  
new_contents: from django import template
  from django.templatetags.static import static
  from django.conf import settings
  
  register = template.Library()
  
  
  @register.simple_tag
  def js_files():
  
      js_files = []
      if hasattr(settings, 'PROSO_JS_FILES'):
          for f in settings.PROSO_JS_FILES:
              js_files.append('<script src="{}"></script>'.format(static(f)))
      return "\n".join(js_files)
  
subject: remove obsolete print