Something weird with pkg-resources

Issue description

pkg-resources in pipenv graph on clean --three Pipenv. After locking and cleaning, pipenv graph raises ModuleNotFoundError

Steps to replicate

me@mypc:/tmp$ mkdir issue
me@mypc:/tmp$ cd issue
me@mypc:/tmp/issue$ pipenv --three
Creating a virtualenv for this project...
Pipfile: /tmp/issue/Pipfile
Using /usr/bin/python3 (3.6.5) to create virtualenv...
⠋Already using interpreter /usr/bin/python3
Using base prefix '/usr'
New python executable in /home/me/.local/share/virtualenvs/issue-rZoCsvrN/bin/python3
Also creating executable in /home/me/.local/share/virtualenvs/issue-rZoCsvrN/bin/python
Installing setuptools, pkg_resources, pip, wheel...done.
Setting project for issue-rZoCsvrN to /tmp/issue

Virtualenv location: /home/me/.local/share/virtualenvs/issue-rZoCsvrN
Creating a Pipfile for this project...
me@mypc:/tmp/issue$ pipenv graph
pkg-resources==0.0.0

me@mypc:/tmp/issue$ cat Pipfile 
[[source]]
url = "https://pypi.org/simple"
verify_ssl = true
name = "pypi"

[packages]

[dev-packages]

[requires]
python_version = "3.6"
me@mypc:/tmp/issue$ pipenv lock
Locking [dev-packages] dependencies...
Locking [packages] dependencies...
Updated Pipfile.lock (ca72e7)!
me@mypc:/tmp/issue$ pipenv clean
Uninstalling 'pkg-resources'...
me@mypc:/tmp/issue$ pipenv graph

ERROR:  Traceback (most recent call last):
  File "/usr/local/lib/python3.6/dist-packages/pipenv/vendor/pipdeptree.py", line 22, in <module>
    import pkg_resources
ModuleNotFoundError: No module named 'pkg_resources'

me@mypc:/tmp/issue$

---

$ pipenv --support

Pipenv version: '2018.7.1'

Pipenv location: '/usr/local/lib/python3.6/dist-packages/pipenv'

Python location: '/usr/bin/python3'

Other Python installations in PATH:

• 2.7: /usr/bin/python2.7

• 2.7: /usr/bin/python2.7

• 3.6: /usr/bin/python3.6m

• 3.6: /usr/bin/python3.6

• 2.7.15: /usr/bin/python

• 2.7.15: /usr/bin/python2

• 3.6.5: /usr/bin/python3

PEP 508 Information:

{'implementation_name': 'cpython',
 'implementation_version': '3.6.5',
 'os_name': 'posix',
 'platform_machine': 'x86_64',
 'platform_python_implementation': 'CPython',
 'platform_release': '4.15.0-24-generic',
 'platform_system': 'Linux',
 'platform_version': '#26-Ubuntu SMP Wed Jun 13 08:44:47 UTC 2018',
 'python_full_version': '3.6.5',
 'python_version': '3.6',
 'sys_platform': 'linux'}

System environment variables:

• CLUTTER_IM_MODULE
• LS_COLORS
• LC_MEASUREMENT
• LESSCLOSE
• LC_PAPER
• LC_MONETARY
• XDG_MENU_PREFIX
• LANG
• DISPLAY
• GNOME_SHELL_SESSION_MODE
• GPG_TTY
• COLORTERM
• DESKTOP_AUTOSTART_ID
• USERNAME
• XDG_VTNR
• SSH_AUTH_SOCK
• MANDATORY_PATH
• LC_NAME
• XDG_SESSION_ID
• USER
• DESKTOP_SESSION
• QT4_IM_MODULE
• TEXTDOMAINDIR
• GNOME_TERMINAL_SCREEN
• DEFAULTS_PATH
• PWD
• HOME
• TEXTDOMAIN
• SSH_AGENT_PID
• QT_ACCESSIBILITY
• XDG_SESSION_TYPE
• XDG_DATA_DIRS
• XDG_SESSION_DESKTOP
• LC_ADDRESS
• LC_NUMERIC
• GTK_MODULES
• PAPERSIZE
• WINDOWPATH
• VTE_VERSION
• TERM
• SHELL
• QT_IM_MODULE
• XMODIFIERS
• IM_CONFIG_PHASE
• XDG_CURRENT_DESKTOP
• GPG_AGENT_INFO
• GNOME_TERMINAL_SERVICE
• XDG_SEAT
• SHLVL
• LANGUAGE
• LC_TELEPHONE
• GDMSESSION
• GNOME_DESKTOP_SESSION_ID
• LOGNAME
• DBUS_SESSION_BUS_ADDRESS
• XDG_RUNTIME_DIR
• XAUTHORITY
• XDG_CONFIG_DIRS
• PATH
• LC_IDENTIFICATION
• SESSION_MANAGER
• LESSOPEN
• GTK_IM_MODULE
• LC_TIME
• _
• OLDPWD
• PYTHONDONTWRITEBYTECODE
• PIP_PYTHON_PATH

Pipenv–specific environment variables:

Debug–specific environment variables:

• PATH: /home/me/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
• SHELL: /bin/bash
• LANG: en_US.UTF-8
• PWD: /tmp/issue

---

Contents of Pipfile (‘/tmp/issue/Pipfile’):

[[source]]
url = "https://pypi.org/simple"
verify_ssl = true
name = "pypi"

[packages]

[dev-packages]

[requires]
python_version = "3.6"

Contents of Pipfile.lock (‘/tmp/issue/Pipfile.lock’):

{
    "_meta": {
        "hash": {
            "sha256": "415dfdcb118dd9bdfef17671cb7dcd78dbd69b6ae7d4f39e8b44e71d60ca72e7"
        },
        "pipfile-spec": 6,
        "requires": {
            "python_version": "3.6"
        },
        "sources": [
            {
                "name": "pypi",
                "url": "https://pypi.org/simple",
                "verify_ssl": true
            }
        ]
    },
    "default": {},
    "develop": {}
}

[mvolfik]

Oh, it worked. Virtualenv 15.1.0 --> 16.0.0 and now pkg_resources not there, locking and cleaning doesn’t break it. SOLVED ✔️

[mvolfik]

@uranusjr what do you mean by try reinstalling your virtualenv? pip3 install --force-reinstall virtualenv or pipenv --rm && pipenv --three?