azdev test fails when az-cli is installed through pypi

Here I am not specifying -c to azdev setup so it comes from py pi
```
python3 -m venv azdev2
2044 source azdev2/bin/activateive
2045 pip install azdev
2046 azdev setup azdev setup -r azure-cli-extensions -e aks-preview
2047 azdev setup -r azure-cli-extensions -e aks-preview
2048 azdev test --profile foo --discover --live aks-preview
```
I get this.

No module named 'azure.cli.core'
Traceback (most recent call last):
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/cli.py", line 215, in invoke
cmd_result = self.invocation.execute(args)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/invocation.py", line 225, in execute
cmd_result = parsed_args.func(params)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/commands.py", line 148, in __call__
return self.handler(*args, **kwargs)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/commands.py", line 255, in _command_handler
result = op(client, **command_args) if client else op(**command_args)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/azdev/operations/testtool/__init__.py", line 46, in run_tests
path_table = get_path_table()
File "/home/pmiller/azdev2/lib/python3.8/site-packages/azdev/utilities/path.py", line 193, in get_path_table
from azure.cli.core.extension import EXTENSIONS_DIR # pylint: disable=import-error
ModuleNotFoundError: No module named 'azure.cli.core'

If I give it a local repo with
azdev setup -c ./azure-cli -r ./azure-cli-extensions -e aks-preview

Then I get
No module named 'pkginfo'
Traceback (most recent call last):
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/cli.py", line 215, in invoke
cmd_result = self.invocation.execute(args)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/invocation.py", line 225, in execute
cmd_result = parsed_args.func(params)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/commands.py", line 148, in __call__
return self.handler(*args, **kwargs)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/knack/commands.py", line 255, in _command_handler
result = op(client, **command_args) if client else op(**command_args)
File "/home/pmiller/azdev2/lib/python3.8/site-packages/azdev/operations/testtool/__init__.py", line 46, in run_tests
path_table = get_path_table()
File "/home/pmiller/azdev2/lib/python3.8/site-packages/azdev/utilities/path.py", line 193, in get_path_table
from azure.cli.core.extension import EXTENSIONS_DIR # pylint: disable=import-error
File "/home/pmiller/azure-cli/src/azure-cli-core/azure/cli/core/extension/__init__.py", line 13, in
import pkginfo

And if i pip install pkginfo I ge a little further to errors that might be related to my pacakge