def parse(self):
		for part in self.mail.walk():
			self.process_part(part)
Utility function to compute X^tWY (transposed ?) for Unit instance.
dataset/ETHPy150Open frappe/frappe/frappe/email/receive.py/Email.parse--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/sandbox/panel/mixed.py/Unit.compute_xtwy