> overlay.conv_0

---------------------------------------------------------------------------
KeyError                                  Traceback (most recent call last)
<ipython-input-15-ece22afdb16b> in <module>()
----> 1 overlay.conv_0

/usr/local/lib/python3.6/dist-packages/pynq/overlay.py in __getattr__(self, key)
    335         """
    336         if self.is_loaded():
--> 337             return getattr(self._ip_map, key)
    338         else:
    339             raise RuntimeError("Overlay not currently loaded")

/usr/local/lib/python3.6/dist-packages/pynq/overlay.py in __getattr__(self, key)
    735         elif key in self._description['ip']:
    736             ipdescription = self._description['ip'][key]
--> 737             driver = ipdescription['driver'](ipdescription)
    738             setattr(self, key, driver)
    739             return driver

<ipython-input-5-08ef0f65f18c> in __init__(self, description)
      3 class cconvDriver(DefaultIP):
      4     def __init__(self, description):
----> 5         super().__init__(description=description)
      6
      7     bindto = ['xilinx.com:hls:conv:1.0']

/usr/local/lib/python3.6/dist-packages/pynq/overlay.py in __init__(self, description)
    600             self._gpio = {}
    601         for interrupt, details in self._interrupts.items():
--> 602             setattr(self, interrupt, Interrupt(details['fullpath']))
    603         for gpio, entry in self._gpio.items():
    604             gpio_number = GPIO.get_gpio_pin(entry['index'])

/usr/local/lib/python3.6/dist-packages/pynq/interrupt.py in __init__(self, pinname)
     96         self.number = PL.interrupt_pins[pinname]['index']
     97         self.parent = weakref.ref(
---> 98             _InterruptController.get_controller(parentname))
     99         self.event = asyncio.Event()
    100         self.waiting = False

/usr/local/lib/python3.6/dist-packages/pynq/interrupt.py in get_controller(name)
    157             if con.name == name:
    158                 return con
--> 159         ret = _InterruptController(name)
    160         _InterruptController._controllers.append(ret)
    161         return ret

/usr/local/lib/python3.6/dist-packages/pynq/interrupt.py in __init__(self, name)
    175         """
    176         self.name = name
--> 177         self.mmio = MMIO(PL.ip_dict[name]['phys_addr'], 32)
    178         self.wait_handles = [[] for _ in range(32)]
    179         self.event_number = 0

KeyError: ''