title: Warnings and errors after trying to install Flask 0.9
body: <p>I'm trying ot install <a href="http://flask.pocoo.org/">Flask</a>, but I'm betting all these warnings and errors:</p>
  
  <pre><code>alex@alex-K43U:~/flask$ pip install Flask
  Downloading/unpacking Flask
    Downloading Flask-0.9.tar.gz (481Kb): 481Kb downloaded
    Running setup.py egg_info for package Flask
  
      warning: no files found matching '*' under directory 'tests'
      warning: no previously-included files matching '*.pyc' found under directory 'docs'
      warning: no previously-included files matching '*.pyo' found under directory 'docs'
      warning: no previously-included files matching '*.pyc' found under directory 'tests'
      warning: no previously-included files matching '*.pyo' found under directory 'tests'
      warning: no previously-included files matching '*.pyc' found under directory 'examples'
      warning: no previously-included files matching '*.pyo' found under directory 'examples'
      no previously-included directories found matching 'docs/_build'
      no previously-included directories found matching 'docs/_themes/.git'
  Downloading/unpacking Werkzeug&gt;=0.7 (from Flask)
    Downloading Werkzeug-0.8.3.tar.gz (1.1Mb): 1.1Mb downloaded
    Running setup.py egg_info for package Werkzeug
  
      warning: no files found matching '*' under directory 'werkzeug/debug/templates'
      warning: no files found matching '*' under directory 'tests'
      warning: no previously-included files matching '*.pyc' found under directory 'docs'
      warning: no previously-included files matching '*.pyo' found under directory 'docs'
      warning: no previously-included files matching '*.pyc' found under directory 'tests'
      warning: no previously-included files matching '*.pyo' found under directory 'tests'
      warning: no previously-included files matching '*.pyc' found under directory 'examples'
      warning: no previously-included files matching '*.pyo' found under directory 'examples'
      no previously-included directories found matching 'docs/_build'
  Downloading/unpacking Jinja2&gt;=2.4 (from Flask)
    Downloading Jinja2-2.6.tar.gz (389Kb): 389Kb downloaded
    Running setup.py egg_info for package Jinja2
  
      warning: no previously-included files matching '*' found under directory 'docs/_build'
      warning: no previously-included files matching '*.pyc' found under directory 'jinja2'
      warning: no previously-included files matching '*.pyc' found under directory 'docs'
      warning: no previously-included files matching '*.pyo' found under directory 'jinja2'
      warning: no previously-included files matching '*.pyo' found under directory 'docs'
  Installing collected packages: Flask, Werkzeug, Jinja2
    Running setup.py install for Flask
  
      warning: no files found matching '*' under directory 'tests'
      warning: no previously-included files matching '*.pyc' found under directory 'docs'
      warning: no previously-included files matching '*.pyo' found under directory 'docs'
      warning: no previously-included files matching '*.pyc' found under directory 'tests'
      warning: no previously-included files matching '*.pyo' found under directory 'tests'
      warning: no previously-included files matching '*.pyc' found under directory 'examples'
      warning: no previously-included files matching '*.pyo' found under directory 'examples'
      no previously-included directories found matching 'docs/_build'
      no previously-included directories found matching 'docs/_themes/.git'
      error: could not create '/usr/local/lib/python2.7/dist-packages/flask': Permission denied
      Complete output from command /usr/bin/python -c "import setuptools;__file__='/home/alex/flask/build/Flask/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --single-version-externally-managed --record /tmp/pip-KD7NsY-record/install-record.txt:
      running install
  
  running build
  
  (a lot of creating and building)
  
  error: could not create '/usr/local/lib/python2.7/dist-packages/flask': Permission denied
  </code></pre>
  
  <p>Any suggestions to solve this problem?</p>
  
  <p>I'm using ubuntu 11.10.</p>