PyUSB Scale Outcome

Configuration of the device:
bConfigurationValue: 1
	bInterfaceNumber: 0
	bAlternateSetting: 0
	bLength: 9
		bEndpointAddress: 130
Traceback (most recent call last):
  File "readweight.py", line 37, in <module>
    read = device.read(0x82,9,0,100)
  File "/Library/Python/2.7/site-packages/usb/core.py", line 663, in read
    self._ctx.managed_claim_interface(self, intf)
  File "/Library/Python/2.7/site-packages/usb/core.py", line 112, in managed_claim_interface
    self.backend.claim_interface(self.handle, i)
  File "/Library/Python/2.7/site-packages/usb/backend/libusb1.py", line 758, in claim_interface
    _check(self.lib.libusb_claim_interface(dev_handle.handle, intf))
  File "/Library/Python/2.7/site-packages/usb/backend/libusb1.py", line 571, in _check
    raise USBError(_str_error[ret], ret, _libusb_errno[ret])
usb.core.USBError: [Errno 13] Access denied (insufficient permissions)