def missing_dependencies():
 missing_deps = []
 for dependency in DEPENDENCIES:
  if ((not dependency.check()) and (not dependency.optional)):
   missing_deps.append(dependency)
 if missing_deps:
  return status(deps=missing_deps, linesep='<br>')
 else:
  return ''

def missing_dependencies ( ) : missing_deps = [ ] for dependency in DEPENDENCIES : if ( ( not dependency . check ( ) ) and ( not dependency . optional ) ) : missing_deps . append ( dependency ) if missing_deps : return status ( deps = missing_deps , linesep = '<br>' ) else : return ''
return the status of missing dependencies .