René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"gpio-admin: could not flush data to /sys/class/gpio/export: Device or resource busy","articleBody":"After following the instructions, and copying the example, I am receiving this error:\n\ngpio-admin: could not flush data to /sys/class/gpio/export: Device or resource busy\nTraceback (most recent call last):\n  File \"gpio.py\", line 4, in \u003cmodule\u003e\n    with pins.pin(1, direction=In) as pin:\n  File \"/home/pi/gpio/quick2wire-python-api/quick2wire/gpio.py\", line 45, in **enter**\n    self.open()\n  File \"/home/pi/gpio/quick2wire-python-api/quick2wire/gpio.py\", line 101, in open\n    gpio_admin(\"export\", self.soc_pin_number, self._pull)\n  File \"/home/pi/gpio/quick2wire-python-api/quick2wire/gpio.py\", line 16, in gpio_admin\n    subprocess.check_call([\"gpio-admin\", subcommand, str(pin)])\n  File \"/usr/lib/python2.7/subprocess.py\", line 540, in check_call\n    raise CalledProcessError(retcode, cmd)\nsubprocess.CalledProcessError: Command '['gpio-admin', 'export', '18']' returned non-zero exit status 4\n","author":{"url":"https://github.com/SephReed","@type":"Person","name":"SephReed"},"datePublished":"2016-05-15T22:40:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/67/quick2wire-python-api/issues/67"}