parameters: (self, item)
return_statement: return self.cv.type(item)
docstring: Return 'line' or 'polygon' or 'image' depending on
          type of item.
docstring_summary: Return 'line' or 'polygon' or 'image' depending on
          type of item.
docstring_tokens: Return line or polygon or image depending on type of item .
function: def _type(self, item):
          """Return 'line' or 'polygon' or 'image' depending on
          type of item.
          """
          return self.cv.type(item)
function_tokens: def _type ( self , item ) : return self . cv . type ( item )