code: def drop_collection(self, name_or_collection, _deadline=None):
          
          if isinstance(name_or_collection, Collection):
              name = name_or_collection._collection_name
          elif isinstance(name_or_collection, (bytes, unicode)):
              name = name_or_collection
          else:
              raise TypeError("TxMongo: name must be an instance of basestring or txmongo.Collection")
  
          return self.command("drop", unicode(name), allowable_errors=["ns not found"],
                              _deadline=_deadline)
docs: drop_collection(name_or_collection)