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html {
    cursor: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB+AKHQAJD3MugBkAAAB5SURBVDjLpVNBDsAgCCuGQ///Wg4m7KKGmG0qknCBUAoFsWqOC1MAoDJVbNVQsp2tGqgUzRQ21jJGOO0aYwWXdgRAJWbVjhnMIKkRIkh6Bx3k+g7KW6JrvSVnm8UBeFxOjEffVoFKmZm8HdLo9PWVqzysmq9e+i//APQoZfbgyIqBAAAAAElFTkSuQmCC'), auto;
}

.scrollable {
  border: 14px solid #5f9ea0;
  border-image-source: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAUAAAAApCAIAAADLfmfbAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH4goaByox2bZl5AAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAA2UlEQVR42u3dMQqCUBjA8c/oQN2kjhM4C23doNkxJ+9QS4OOzZ2hreHREBg21EPj95sF5eGfT3nDK9quj6f6dI4hl+YYEffrLYDf29eH0R6ThcWC+RIwCBgQMCBgEDAgYEDAgIBBwICAAQGDgAEBAwIGBAwCBgQMCBgQMAgYEDAgYBAwIGBAwMCI5eeXpuMeABMYyDWBV+tNvD9q6VvSkU27qspwL/iP99MEBp/QgIABAYOAAQEDAgYGvOwDp52uKZjOk8CU308TGGasaLs+IrZlaS3APzCQzwMIpytnJp1AMAAAAABJRU5ErkJggg==');
  border-image-slice: 0 14 14 14;
  border-top: 0;
}

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#!/usr/bin/env python3
from flask import Flask, Response, abort, request
from PIL import Image
import requests

try:
  from StringIO import BytesIO
except ImportError:
  from io import BytesIO

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#!/usr/bin/python
"""
Read a MagTek USB HID Swipe Reader in Linux. A description of this
code can be found at: http://www.micahcarrick.com/credit-card-reader-pyusb.html

You must be using the new PyUSB 1.0 branch and not the 0.x branch.

(Install with `pip install pyusb --pre` in a virtualenv. Install libusb first on debian)

Copyright (c) 2010 - Micah Carrick

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from kivy.app import App
from kivy.clock import Clock
from kivy.uix.widget import Widget
from kivy.graphics import Color, Line
import random, time
import queue, threading

class FFTGraph(Widget):
    def draw_graph(self, dt):
        try: