title: Pipenv error "bad interpreter: No such file or directory"
body: <p>I am trying to install requirements from a pipfile however when I type <code>pipenv</code> and press enter, i receive this error message <code>-bash: /Users/jkelly/.local/bin/pipenv: /usr/local/Cellar/python/3.7.0/bin/python3.7: bad interpreter: No such file or directory</code> This python directory doesn't exist. I am unable to execute pipenv.</p>
  
  <p><code>python --version</code> returns <code>Python 3.6.6</code>. I manage all my versions of python with pyenv. </p>
  
  <p>This is a complete list of all of my pyenv shims </p>
  
  <pre><code>/Users/jkelly/.pyenv/shims/2to3
  /Users/jkelly/.pyenv/shims/2to3-3.6
  /Users/jkelly/.pyenv/shims/easy_install
  /Users/jkelly/.pyenv/shims/easy_install-3.6
  /Users/jkelly/.pyenv/shims/idle
  /Users/jkelly/.pyenv/shims/idle3
  /Users/jkelly/.pyenv/shims/idle3.6
  /Users/jkelly/.pyenv/shims/pip
  /Users/jkelly/.pyenv/shims/pip3
  /Users/jkelly/.pyenv/shims/pip3.6
  /Users/jkelly/.pyenv/shims/pydoc
  /Users/jkelly/.pyenv/shims/pydoc3
  /Users/jkelly/.pyenv/shims/pydoc3.6
  /Users/jkelly/.pyenv/shims/python
  /Users/jkelly/.pyenv/shims/python-config
  /Users/jkelly/.pyenv/shims/python3
  /Users/jkelly/.pyenv/shims/python3-config
  /Users/jkelly/.pyenv/shims/python3.6
  /Users/jkelly/.pyenv/shims/python3.6-config
  /Users/jkelly/.pyenv/shims/python3.6m
  /Users/jkelly/.pyenv/shims/python3.6m-config
  /Users/jkelly/.pyenv/shims/pyvenv
  /Users/jkelly/.pyenv/shims/pyvenv-3.6
  </code></pre>
  
  <p>pipenv is installed via pipsi. This error seems to have nothing to do with the Pipfile. I must have an improperly configured path somewhere.</p>
  
  <pre><code>export PATH=/Users/jkelly/.local/bin:$PATH
  export PYENV_SHELL=bash
  eval "$(pyenv init -)"
  export PATH="/usr/local/opt/mongodb@3.6/bin:$PATH"
  export PATH="/usr/local/opt/node@6/bin:$PATH"
  export PATH="/usr/local/opt/gettext/bin:$PATH"
  
  export NVM_DIR="$HOME/.nvm"
  [ -s "$NVM_DIR/nvm.sh" ] &amp;&amp; \. "$NVM_DIR/nvm.sh"  # This loads nvm
  [ -s "$NVM_DIR/bash_completion" ] &amp;&amp; \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
  </code></pre>