def check_required_args(required_args, args):
for arg in required_args:<EOL><INDENT>if arg not in args:<EOL><INDENT>raise KeyError('<STR_LIT>' % arg)<EOL><DEDENT><DEDENT>return True<EOL>
Checks if all required_args have a value.
:param required_args: list of required args
:param args: kwargs
:return: True (if an exception isn't raised)