Traceback (most recent call last):


 "C:\Users\Dell\AppData\Local\Programs\Python\Python37\lib\site-packages\numba\core\typeconv\typeconv.py", line 4, in <module>

from numba.core.typeconv import _typeconv
ImportError: DLL load failed: The specified module could not be found.

Traceback (most recent call last):


 "/usr/bin/repo2docker", line 6, in <module>

from repo2docker.__main__ import main


 "/usr/lib/python3.7/site-packages/repo2docker/__main__.py", line 6, in <module>

from .app import Repo2Docker


 "/usr/lib/python3.7/site-packages/repo2docker/app.py", line 31, in <module>

from .buildpacks import (


 "/usr/lib/python3.7/site-packages/repo2docker/buildpacks/__init__.py", line 2, in <module>

from .python import PythonBuildPack


 "/usr/lib/python3.7/site-packages/repo2docker/buildpacks/python/__init__.py", line 4, in <module>

from ..conda import CondaBuildPack


 "/usr/lib/python3.7/site-packages/repo2docker/buildpacks/conda/__init__.py", line 6, in <module>

from ruamel.yaml import YAML
ImportError: cannot import name 'YAML' from 'ruamel.yaml' (/usr/lib/python3.7/site-packages/ruamel/yaml/__init__.py)
