<details><summary>$ pipenv --support</summary>

Pipenv version: `'2018.11.26'`

Pipenv location: `'/home/jingxue/.local/lib/python3.7/site-packages/pipenv'`

Python location: `'/usr/bin/python3'`

Python installations found:

  - `3.7.5`: `/usr/bin/python3`
  - `3.7.5`: `/usr/bin/python3.7m`
  - `2.7.17`: `/usr/bin/python2.7`

PEP 508 Information:

```
{'implementation_name': 'cpython',
 'implementation_version': '3.7.5',
 'os_name': 'posix',
 'platform_machine': 'x86_64',
 'platform_python_implementation': 'CPython',
 'platform_release': '5.3.0-7629-generic',
 'platform_system': 'Linux',
 'platform_version': '#31~1581628825~19.10~f90b7d5-Ubuntu SMP Fri Feb 14 '
                     '19:56:45 UTC ',
 'python_full_version': '3.7.5',
 'python_version': '3.7',
 'sys_platform': 'linux'}
```

System environment variables:

  - `SSH_AUTH_SOCK`
  - `SESSION_MANAGER`
  - `GNOME_TERMINAL_SCREEN`
  - `SSH_AGENT_PID`
  - `XDG_CURRENT_DESKTOP`
  - `LANG`
  - `LANGUAGE`
  - `DEFAULTS_PATH`
  - `XDG_SESSION_CLASS`
  - `COLORTERM`
  - `QT_IM_MODULE`
  - `GPG_AGENT_INFO`
  - `USER`
  - `DESKTOP_SESSION`
  - `XDG_MENU_PREFIX`
  - `HOME`
  - `PWD`
  - `QT4_IM_MODULE`
  - `DBUS_SESSION_BUS_ADDRESS`
  - `GTK_MODULES`
  - `XDG_CONFIG_DIRS`
  - `GTK_IM_MODULE`
  - `WINDOWPATH`
  - `JOURNAL_STREAM`
  - `VTE_VERSION`
  - `GNOME_DESKTOP_SESSION_ID`
  - `MANAGERPID`
  - `CLUTTER_IM_MODULE`
  - `MANDATORY_PATH`
  - `LOGNAME`
  - `SDKMAN_DIR`
  - `GNOME_TERMINAL_SERVICE`
  - `XDG_SESSION_DESKTOP`
  - `GNOME_SHELL_SESSION_MODE`
  - `XDG_DATA_DIRS`
  - `PATH`
  - `XDG_RUNTIME_DIR`
  - `XDG_SESSION_TYPE`
  - `SHELL`
  - `XMODIFIERS`
  - `USERNAME`
  - `INVOCATION_ID`
  - `SHLVL`
  - `XAUTHORITY`
  - `DESKTOP_AUTOSTART_ID`
  - `_`
  - `DISPLAY`
  - `TERM`
  - `GDMSESSION`
  - `IM_CONFIG_PHASE`
  - `OLDPWD`
  - `ZSH`
  - `PAGER`
  - `LESS`
  - `LSCOLORS`
  - `LS_COLORS`
  - `JAVA_HOME`
  - `GRADLE_HOME`
  - `PROMPT`
  - `PIP_DISABLE_PIP_VERSION_CHECK`
  - `PYTHONDONTWRITEBYTECODE`
  - `PIP_SHIMS_BASE_MODULE`
  - `PIP_PYTHON_PATH`
  - `PYTHONFINDER_IGNORE_UNSUPPORTED`

Pipenv–specific environment variables:


Debug–specific environment variables:

  - `PATH`: `/home/jingxue/bin:/home/jingxue/.local/bin:/home/jingxue/.local/bin:/home/jingxue/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games`
  - `SHELL`: `/bin/zsh`
  - `LANG`: `en_US.UTF-8`
  - `PWD`: `/home/jingxue/workspace/pipenv-test/proj2`


---------------------------

Contents of `Pipfile` ('/home/jingxue/workspace/pipenv-test/proj2/Pipfile'):

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

[dev-packages]

[packages]

[requires]
python_version = "3.7"

```


Contents of `Pipfile.lock` ('/home/jingxue/workspace/pipenv-test/proj2/Pipfile.lock'):

```json
{
    "_meta": {
        "hash": {
            "sha256": "7e7ef69da7248742e869378f8421880cf8f0017f96d94d086813baa518a65489"
        },
        "pipfile-spec": 6,
        "requires": {
            "python_version": "3.7"
        },
        "sources": [
            {
                "name": "pypi",
                "url": "https://pypi.org/simple",
                "verify_ssl": true
            }
        ]
    },
    "default": {},
    "develop": {}
}

```
</details>