android_ndk traceback

autopkg run -vv android_ndk.munki -k RELEASE='r12b'
Processing android_ndk.munki...
URLTextSearcher
{'Input': {'re_pattern': u'"(https:\\/\\/dl\\.google\\.com\\/android\\/repository\\/android-ndk-r12b-darwin-x86_64.zip)"',
           'url': u'https://github.com/android-ndk/ndk/wiki'}}
URLTextSearcher: No value supplied for CURL_PATH, setting default value of: /usr/bin/curl
URLTextSearcher: No value supplied for result_output_var_name, setting default value of: match
URLTextSearcher: Found matching text (match): https://dl.google.com/android/repository/android-ndk-r12b-darwin-x86_64.zip
{'Output': {'match': 'https://dl.google.com/android/repository/android-ndk-r12b-darwin-x86_64.zip'}}
URLDownloader
{'Input': {'CURL_PATH': '/usr/bin/curl',
           'url': u'https://dl.google.com/android/repository/android-ndk-r12b-darwin-x86_64.zip'}}
URLDownloader: No value supplied for CHECK_FILESIZE_ONLY, setting default value of: False
URLDownloader: Item at URL is unchanged.
URLDownloader: Using existing /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/downloads/android-ndk-r12b-darwin-x86_64.zip
{'Output': {'pathname': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/downloads/android-ndk-r12b-darwin-x86_64.zip'}}
EndOfCheckPhase
{'Input': {}}
{'Output': {}}
PkgRootCreator
{'Input': {'pkgdirs': {
    opt = 0755;
    "opt/android_ndk" = 0755;
},
           'pkgroot': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk'}}
PkgRootCreator: Created /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk
PkgRootCreator: Creating opt
PkgRootCreator: Created /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt
PkgRootCreator: Creating opt/android_ndk
PkgRootCreator: Created /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt/android_ndk
{'Output': {}}
Unarchiver
{'Input': {'destination_path': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt/android_ndk',
           'purge_destination': True}}
Unarchiver: Guessed archive format 'zip' from filename android-ndk-r12b-darwin-x86_64.zip
Unarchiver: Unarchived /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/downloads/android-ndk-r12b-darwin-x86_64.zip to /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt/android_ndk
{'Output': {}}
FileFinder
{'Input': {'pattern': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt/android_ndk/android-ndk-*/source.properties'}}
FileFinder: No value supplied for find_method, setting default value of: glob
FileFinder: Found file match: /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt/android_ndk/android-ndk-r12b/source.properties
{'Output': {'found_filename': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt/android_ndk/android-ndk-r12b/source.properties'}}
AndroidNDKVersioner
{'Input': {'properties_path': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk/opt/android_ndk/android-ndk-r12b/source.properties'}}
{'Output': {'release_num': u'r12b', 'version': ['12.1.2977051']}}
DmgCreator
{'Input': {'dmg_path': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk-r12b.dmg',
           'dmg_root': u'/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk',
           'dmg_zlib_level': u'9'}}
DmgCreator: Created dmg from /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk at /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk-r12b.dmg
{'Output': {}}
PathDeleter
{'Input': {'path_list': (
    "/Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk"
)}}
PathDeleter: Deleted /Users/nmcspadden/Library/AutoPkg/Cache/local.munki.android_ndk/android_ndk
{'Output': {}}
MunkiPkginfoMerger
Traceback (most recent call last):
  File "/usr/local/bin/autopkg", line 1662, in <module>
    sys.exit(main(sys.argv))
  File "/usr/local/bin/autopkg", line 1656, in main
    exit(subcommands[verb]['function'](argv))
  File "/usr/local/bin/autopkg", line 1461, in run_recipes
    autopackager.process(recipe)
  File "/Library/AutoPkg/autopkglib/__init__.py", line 457, in process
    processor.inject(step.get("Arguments", dict()))
  File "/Library/AutoPkg/autopkglib/__init__.py", line 280, in inject
    update_data(self.env, key, value)
  File "/Library/AutoPkg/autopkglib/__init__.py", line 198, in update_data
    a_dict[key] = do_variable_substitution(value)
  File "/Library/AutoPkg/autopkglib/__init__.py", line 194, in do_variable_substitution
    item_copy[key] = do_variable_substitution(value)
  File "/Library/AutoPkg/autopkglib/__init__.py", line 178, in do_variable_substitution
    item = RE_KEYREF.sub(getdata, item)
TypeError: sequence item 0: expected string or Unicode, list found