@spiceErrorCheck<EOL>def cvpool(agent):
agent = stypes.stringToCharP(agent)<EOL>update = ctypes.c_int()<EOL>libspice.cvpool_c(agent, ctypes.byref(update))<EOL>return bool(update.value)<EOL>
Indicate whether or not any watched kernel variables that have a
specified agent on their notification list have been updated.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/cvpool_c.html

:param agent: Name of the agent to check for notices.
:type agent: str
:return: True if variables for "agent" have been updated.
:rtype: bool