@classmethod<EOL><INDENT>def _get_column(cls, name):<DEDENT>
if name == '<STR_LIT>':<EOL><INDENT>return cls._meta.get_field(cls._meta.pk.name)<EOL><DEDENT>return cls._columns[name]<EOL>
Based on cqlengine.models.BaseModel._get_column.

But to work with 'pk'