Traceback (most recent call last):


 "needle.py", line 9, in <module>

from core.framework import cli


 "/Users/pragyan.a.paramita/Downloads/needle/needle/core/framework/cli.py", line 8, in <module>

from ..utils.printer import Colors, Printer


 "/Users/pragyan.a.paramita/Downloads/needle/needle/core/utils/printer.py", line 4, in <module>

from utils import Utils


 "/Users/pragyan.a.paramita/Downloads/needle/needle/core/utils/utils.py", line 6, in <module>

import biplist
ImportError: No module named biplist

Traceback (most recent call last):


 "demo/demo.py", line 11, in <module>

from detectron2.data.detection_utils import read_image


 "/home/zhiyongzhang/venv/AutomatedFishDetection/detectron2/detectron2/data/__init__.py", line 4, in <module>

from .build import (


 "/home/zhiyongzhang/venv/AutomatedFishDetection/detectron2/detectron2/data/build.py", line 13, in <module>

from detectron2.structures import BoxMode


 "/home/zhiyongzhang/venv/AutomatedFishDetection/detectron2/detectron2/structures/__init__.py", line 2, in <module>

from .boxes import Boxes, BoxMode, pairwise_iou


 "/home/zhiyongzhang/venv/AutomatedFishDetection/detectron2/detectron2/structures/boxes.py", line 7, in <module>

from detectron2.layers import cat


 "/home/zhiyongzhang/venv/AutomatedFishDetection/detectron2/detectron2/layers/__init__.py", line 3, in <module>

from .deform_conv import DeformConv, ModulatedDeformConv


 "/home/zhiyongzhang/venv/AutomatedFishDetection/detectron2/detectron2/layers/deform_conv.py", line 10, in <module>

from detectron2 import _C
ImportError: cannot import name '_C'`