title: ValueError: unsupported format character '{' (0x7b) at index
body: <p>I have this block of python code ...</p>
  
  <pre><code> 79         print "debug top is [" + top + "]"
   80         print "debug package is [" + package + "]"
   81         print "debug version is [" + version + "]"
   82         print "debug password is [" + password + "]"
   83         print "debug app_image_url is [" + app_image_url + "]"
   84         print "debug apptitle is [" + apptitle + "]"
   85 #       get_filenames_from_zip_file (app_zip_url)
   86 #       sys.exit(0)
   87         print """---
   88 top: '%s'
   89 package: '%s'
   90 version: %s
   91 password: '%s'
   92 make_audiobook::package_name: "%%{hiera('package')}"
   93 make_audiobook::version: "%%{hiera('version')}"
   94 make_audiobook::mp3filesdir: "%%{hiera('top')}/%%{::appname}/%%{::appname}/res/raw"
   95 make_audiobook::app_image::app_image_url: '%s'
   96 make_audiobook::app_image::resource_path:  "%%{hiera('top')}/%%{::appname}/%%{::appname}"
   97 make_audiobook::app_image::appdir:  "%{hiera('top')}/%{::appname}"
   98 make_audiobook::app_image::appname:  "%{::appname}"
   99 make_audiobook::app_javacode::appname:          "%%{::appname}"
  100 make_audiobook::app_javacode::password:         "%%{hiera('password')}"
  101 make_audiobook::app_javacode::apptitle:         "%s"
  102 make_audiobook::app_javacode::package:          "%%{hiera('package')}"
  103 make_audiobook::app_javacode::path_to_code:     "%%{hiera('top')}/%%{::appname}/%%{::appname}/src/com/%%{hiera('package')}/%%{::appname}"
  104 make_audiobook::app_javacode::path_to_androidmanifest:     "%%{hiera('top')}/%%{::appname}/%%{::appname}"
  105 make_audiobook::app_javacode::version:          "%%{hiera('version')}"
  106 make_audiobook::app_javacode::tracks: """ % (top, package, version, password, app_image_url, apptitle)
  </code></pre>
  
  <p>When I run my script I get this error in the output:</p>
  
  <pre><code>debug top is [/home/get_links/TEMPLATE_FILES]
  debug package is [redcricket]
  debug version is [1]
  debug password is [XXXXXX]
  debug app_image_url is [https://ia801509.us.archive.org/7/items/song_of_the_wave_1703_librivox/songwave_1703.jpg]
  debug apptitle is [Song of the Wave, and Other Poems]
  Traceback (most recent call last):
    File "./make_hiera_data_from_librivox_api.py", line 137, in &lt;module&gt;
      main(sys.argv[1:])
    File "./make_hiera_data_from_librivox_api.py", line 106, in main
      make_audiobook::app_javacode::tracks: """ % (top, package, version, password, app_image_url, apptitle)
  ValueError: unsupported format character '{' (0x7b) at index 415
  </code></pre>
  
  <p>I cannot see anything wrong in that block of code. Maybe a second pair eyes would be helpful?</p>