Get data for a given commit

		Raises KeyError if a commit is not found or not parsed.

		:param commit: repository commit
		:type  commit: string

def commit(self, commit):
		"""Get data for a given commit

		Raises KeyError if a commit is not found or not parsed.

		:param commit: repository commit
		:type  commit: string
		"""
		try:
			return self._commitData(self.repo.get_commit(commit))
		except (ValueError, KeyError, GithubException):
			raise KeyError("Commit %s not found" % commit)