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import math

arcminute = math.tan(math.pi/10800)  # tan(1/60) in radians.

def visual_acuity_seating_distance(diagonal_in_inches, *, native_horizontal_resolution=1920, native_vertical_resolution=1080,
                                    content_vertical_resolution=1080):
    """Calculate the closest you should sit to your television, in inches."""
    return (diagonal_in_inches /
            (math.sqrt((native_horizontal_resolution/native_vertical_resolution)**2 + 1) * content_vertical_resolution * arcminute))
           

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66 total dependencies need to be ported to Python 3.
63 dependencies have no other dependencies blocking a port to Python 3:
boto
cmd2
pulp <- coinor.pulp
ddt
diskimage-builder
django-bootstrap-form
django-compressor
django-openstack-auth

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from __future__ import print_function

import symbol
import token

import astroid
from pylint import checkers, interfaces
from pylint.checkers import utils

# http://python3porting.com/differences.html

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import io
import tokenize

from astroid import test_utils
from pylint import testutils

import py6_checker


class SixCheckerTest(testutils.CheckerTestCase):

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function fish_prompt
  set_color -o red
  echo -n "> "
  set_color normal
end

# From https://github.com/mduvall/dotfiles/blob/master/fish_prompt.fish.
function fuller_prompt_cwd --description 'Print the current working directory, NOT shortened to fit the prompt'
  if test "$PWD" != "$HOME"
    printf "%s" (echo $PWD|sed -e 's|/private||' -e "s|^$HOME|~|")

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<link rel="import" href="../core-icon-button/core-icon-button.html">
<link rel="import" href="../core-toolbar/core-toolbar.html">
<link rel="import" href="../core-header-panel/core-header-panel.html">
<link rel="import" href="../paper-input/paper-input.html">
<link rel="import" href="../paper-button/paper-button.html">

<polymer-element name="my-element">

  <template>
    <style>    

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<link rel="import" href="../core-icon-button/core-icon-button.html">
<link rel="import" href="../core-toolbar/core-toolbar.html">
<link rel="import" href="../core-header-panel/core-header-panel.html">
<link rel="import" href="../core-input/core-input.html">

<polymer-element name="my-element">

  <template>
    <style>    
      :host {

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Keybase proof

I hereby claim:

• I am brettcannon on github.
• I am brettcannon (https://keybase.io/brettcannon) on keybase.
• I have a public key whose fingerprint is D78A 1843 8650 EA2D FE58 817F 9668 94F3 4B4E ABA8

To claim this, I am signing this object:

brettcannon

This was posted as an email to python-dev.

History lesson

Since I signed up for the python-dev mailing list way back in June 2002, there seems to be a cycle where we as a group come to a realization that our current software development process has not kept up with modern practices and could stand for an update. For me this was first shown when we moved from SourceForge to our own infrastructure, then again when we moved from Subversion to Mercurial (I led both of these initiatives, so it's somewhat a tradition/curse I find myself in this position yet again). And so we again find ourselves at the point of realizing that we are not keeping up with current practices and thus need to evaluate how we can improve our situation.

Where we are now

Now it should be realized that we have to sets of users of our development process: contributors and core developers (the latter whom can play both roles). If you take a rough outline of our cur

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