AttributeError at /sampa/plots/
'NoneType' object has no attribute 'keys'

Request Method: POST
Request URL: http://127.0.0.1:7070/sampa/plots/
Django Version: 1.6
Python Executable: /usr/local/otm/env/bin/python
Python Version: 2.7.3
Python Path: ['/usr/local/otm/app/opentreemap', '/usr/local/otm/env/lib/python2.7', '/usr/local/otm/env/lib/python2.7/plat-linux2', '/usr/local/otm/env/lib/python2.7/lib-tk', '/usr/local/otm/env/lib/python2.7/lib-old', '/usr/local/otm/env/lib/python2.7/lib-dynload', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk', '/usr/local/otm/env/local/lib/python2.7/site-packages']
Server time: Qui, 26 Mar 2015 09:14:41 -0500
Installed Applications:
('treemap',
 'geocode',
 'api',
 'exporter',
 'otm1_migrator',
 'otm_comments',
 'importer',
 'appevents',
 'django_extensions',
 'threadedcomments',
 'django.contrib.comments',
 'registration',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.admin',
 'django.contrib.gis',
 'django.contrib.humanize',
 'django_hstore',
 'djcelery',
 'south')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'opentreemap.middleware.InternetExplorerRedirectMiddleware')

Traceback:
File "/usr/local/otm/env/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  114.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/usr/local/otm/app/opentreemap/treemap/decorators.py" in wrapper
  45.             return view_fn(request, instance, *args, **kwargs)
File "/usr/local/otm/env/local/lib/python2.7/site-packages/django_tinsel/decorators.py" in routed
  33.             return req_method(request, *args2, **kwargs2)
File "/usr/local/otm/app/opentreemap/treemap/decorators.py" in wrapper
  169.             return view_fn(request, *args, **kwargs)
File "/usr/local/otm/env/local/lib/python2.7/site-packages/django_tinsel/decorators.py" in newreq
  125.                 outp = req_function(request, *args, **kwargs)
File "/usr/local/otm/env/local/lib/python2.7/site-packages/django_tinsel/decorators.py" in newreq
  106.         outp = req_function(request, *args, **kwargs)
File "/usr/local/otm/app/opentreemap/treemap/decorators.py" in wrapper
  193.         return view_fn(request, instance, *args, **kwargs)
File "/usr/local/otm/app/opentreemap/treemap/decorators.py" in run_and_catch_validations
  144.             return req(*args, **kwargs)
File "/usr/local/otm/app/opentreemap/treemap/views/map_feature.py" in add_map_feature
  110.     return _request_to_update_map_feature(request, instance, feature)
File "/usr/local/otm/app/opentreemap/treemap/views/map_feature.py" in _request_to_update_map_feature
  36.     feature, tree = update_map_feature(request_dict, request.user, feature)
File "/usr/local/otm/env/local/lib/python2.7/site-packages/django/db/transaction.py" in inner
  339.                 return func(*args, **kwargs)
File "/usr/local/otm/app/opentreemap/treemap/views/map_feature.py" in update_map_feature
  237.         errors.update(save_and_return_errors(tree, user))
File "/usr/local/otm/app/opentreemap/treemap/views/map_feature.py" in save_and_return_errors
  184.                 thing.convert_to_database_units()
File "/usr/local/otm/app/opentreemap/treemap/units.py" in convert_to_database_units
  50.             self._mutate_convertable_fields(get_storage_value)
File "/usr/local/otm/app/opentreemap/treemap/units.py" in _mutate_convertable_fields
  35.                 converted_value = f(self.instance, model, field, value)
File "/usr/local/otm/app/opentreemap/treemap/units.py" in get_storage_value
  222.                                          value_name)
File "/usr/local/otm/app/opentreemap/treemap/units.py" in get_conversion_factor
  172.     if instance_unit not in conversion_dict.keys():

Exception Type: AttributeError at /sampa/plots/
Exception Value: 'NoneType' object has no attribute 'keys'
Request information:
GET: No GET data

POST: No POST data

FILES: No FILES data

COOKIES:
csrftoken = '1BJQ1fFMO6bny9bGTnEJBv5Hsp1YEGA7'
sessionid = '7cj0ejtw5nmwvqgumw9n7mk658e5yrjp'

META:
wsgi.version =
RUN_MAIN = 'true'
HTTP_REFERER = 'http://127.0.0.1:7070/sampa/map/?m=addTree'
SERVER_PROTOCOL = 'HTTP/1.0'
SERVER_SOFTWARE = 'WSGIServer/0.1 Python/2.7.3'
LC_CTYPE = 'en_US.UTF-8'
SCRIPT_NAME = u''
LESSOPEN = '| /usr/bin/lesspipe %s'
HTTP_X_CSRFTOKEN = '1BJQ1fFMO6bny9bGTnEJBv5Hsp1YEGA7'
REQUEST_METHOD = 'POST'
LOGNAME = 'otm'
USER = 'otm'
HOME = '/home/otm'
QUERY_STRING = ''
PATH = '/usr/local/otm/env/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
PS1 = '(env)\\[\\e]0;\\u@\\h: \\w\\a\\]${debian_chroot:+($debian_chroot)}\\u@\\h:\\w\\$ '
wsgi.errors = <open file '<stderr>', mode 'w' at 0x7f9388db1270>
LANG = 'en_US.UTF-8'
TERM = 'xterm-256color'
SHELL = '/bin/bash'
TZ = 'America/Chicago'
XDG_SESSION_COOKIE = '71775adbda196b18e5105bec0000030c-1427378747.575161-1298550502'
SERVER_NAME = 'localhost'
REMOTE_ADDR = '127.0.0.1'
SHLVL = '1'
wsgi.url_scheme = 'http'
SERVER_PORT = '12000'
SUDO_USER = 'vagrant'
USERNAME = 'root'
CONTENT_LENGTH = '236'
HTTP_CONNECTION = 'close'
HTTP_PRAGMA = 'no-cache'
HTTP_X_REQUESTED_WITH = 'XMLHttpRequest'
SUDO_UID = '1000'
VIRTUAL_ENV = '/usr/local/otm/env'
CELERY_LOADER = 'djcelery.loaders.DjangoLoader'
wsgi.input = <socket._fileobject object at 0x7f936c904b50>
HTTP_USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:36.0) Gecko/20100101 Firefox/36.0'
HTTP_HOST = '127.0.0.1:7070'
wsgi.multithread = True
LC_ALL = 'en_US.UTF-8'
HTTP_CACHE_CONTROL = 'no-cache'
_ = './manage.py'
HTTP_ACCEPT = '*/*'
SUDO_COMMAND = '/bin/su otm'
SUDO_GID = '1000'
wsgi.file_wrapper = ''
LESSCLOSE = '/usr/bin/lesspipe %s %s'
GATEWAY_INTERFACE = 'CGI/1.1'
wsgi.run_once = False
CSRF_COOKIE = u'1BJQ1fFMO6bny9bGTnEJBv5Hsp1YEGA7'
OLDPWD = '/usr/local/otm'
wsgi.multiprocess = False
HTTP_ACCEPT_LANGUAGE = 'pt-BR,pt;q=0.8,en-US;q=0.5,en;q=0.3'
PWD = '/usr/local/otm/app/opentreemap'
DJANGO_SETTINGS_MODULE = 'opentreemap.settings'
CONTENT_TYPE = 'application/json; charset=UTF-8'
MAIL = '/var/mail/otm'
LS_COLORS = 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lz=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:'
REMOTE_HOST = ''
HTTP_ACCEPT_ENCODING = 'gzip, deflate'
HTTP_COOKIE = 'sessionid=7cj0ejtw5nmwvqgumw9n7mk658e5yrjp; csrftoken=1BJQ1fFMO6bny9bGTnEJBv5Hsp1YEGA7'
PATH_INFO = u'/sampa/plots/'

Settings:
Using settings module opentreemap.settings
GOOGLE_ANALYTICS_ID = None
DISPLAY_DEFAULTS = {'eco': {'co2storage': {'units': 'kg', 'digits': 1}, 'energy': {'units': 'kwh/year', 'digits': 1}, 'co2': {'units': 'kg/year', 'digits': 1}, 'airquality': {'units': 'kg/year', 'digits': 1}, 'stormwater': {'units': 'L/year', 'digits': 1}}, 'plot': {'width': {'units': 'cm', 'digits': 1}, 'length': {'units': 'cm', 'digits': 1}}, 'tree': {'diameter': {'units': 'cm', 'digits': 1}, 'height': {'units': 'm', 'digits': 1}, 'canopy_height': {'units': 'm', 'digits': 1}}}
IE_VERSION_MINIMUM = 9
USE_L10N = True
MAP_CLICK_RADIUS = 100
USE_THOUSAND_SEPARATOR = True
CSRF_COOKIE_SECURE = False
LANGUAGE_CODE = 'en-us'
ROOT_URLCONF = 'opentreemap.urls'
MANAGERS =
BROKER_URL = 'redis://localhost:6379/'
AWS_HEADERS = {'Cache-Control': 'max-age=86400'}
ACCOUNT_ACTIVATION_DAYS = 7
SESSION_SERIALIZER = 'django.contrib.sessions.serializers.JSONSerializer'
STATIC_ROOT = '/usr/local/otm/static'
SUPPORT_EMAIL_ADDRESS = 'support@yoursite.com'
ALLOWED_HOSTS = []
MESSAGE_STORAGE = 'django.contrib.messages.storage.fallback.FallbackStorage'
EMAIL_SUBJECT_PREFIX = '[Django] '
SEND_BROKEN_LINK_EMAILS = False
STATICFILES_FINDERS =
SESSION_CACHE_ALIAS = 'default'
SESSION_COOKIE_DOMAIN = None
SESSION_COOKIE_NAME = 'sessionid'
ADMIN_FOR =
TIME_INPUT_FORMATS =
DATABASES = {'default': {'ENGINE': 'django.contrib.gis.db.backends.postgis', 'AUTOCOMMIT': True, 'ATOMIC_REQUESTS': False, 'NAME': 'otm', 'TEST_MIRROR': None, 'CONN_MAX_AGE': 0, 'TIME_ZONE': 'UTC', 'TEST_COLLATION': None, 'TEST_CHARSET': None, 'PORT': '5432', 'HOST': 'localhost', 'USER': 'otm', 'TEST_NAME': None, 'PASSWORD': u'********************', 'OPTIONS': {}}}
FILE_UPLOAD_PERMISSIONS = None
FILE_UPLOAD_HANDLERS =
TEMPLATE_CONTEXT_PROCESSORS =
DEFAULT_CONTENT_TYPE = 'text/html'
BING_API_KEY = u'********************'
APPEND_SLASH = True
FIRST_DAY_OF_WEEK = 0
DATABASE_ROUTERS = []
MAXIMUM_IMAGE_SIZE = 20971520
YEAR_MONTH_FORMAT = 'F Y'
STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.StaticFilesStorage'
CACHES = {'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
COMMENTS_HIDE_REMOVED = False
FEATURE_BACKEND_FUNCTION = None
EXTRA_STORAGE_UNITS = {}
SERVER_EMAIL = 'root@localhost'
SESSION_COOKIE_PATH = '/'
TILE_HOST = None
EXTRA_UNMANAGED_APPS = 'django_extensions'
DOUBLE_CLICK_INTERVAL = 300
MIDDLEWARE_CLASSES =
USE_I18N = True
THOUSAND_SEPARATOR = ','
SECRET_KEY = u'********************'
LANGUAGE_COOKIE_NAME = 'django_language'
FILE_UPLOAD_TEMP_DIR = None
TRANSACTIONS_MANAGED = False
LOGGING_CONFIG = 'django.utils.log.dictConfig'
SIGNING_BACKEND = 'django.core.signing.TimestampSigner'
RESERVED_INSTANCE_URL_NAMES =
TEMPLATE_LOADERS =
WSGI_APPLICATION = 'opentreemap.wsgi.application'
USER_ACTIVATION_FUNCTION = None
API_VERSION = u'********************'
TEMPLATE_DEBUG = True
X_FRAME_OPTIONS = 'SAMEORIGIN'
CSRF_COOKIE_NAME = 'csrftoken'
FORCE_SCRIPT_NAME = None
USE_X_FORWARDED_HOST = False
USE_JS_I18N = False
DEFAULT_CHARSET = 'utf-8'
SESSION_COOKIE_SECURE = False
EXTRA_RESERVED_INSTANCE_URL_NAMES =
DEFAULT_TREE_KEY_URL = u'********************'
CSRF_COOKIE_DOMAIN = None
NEARBY_TREE_DISTANCE = 6.096
FILE_CHARSET = 'utf-8'
DEBUG = True
COMMENTS_APP = 'otm_comments'
NEARBY_INSTANCE_RADIUS = 100000
DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'
INSTALLED_APPS =
LANGUAGES_BIDI =
COMMENTS_ALLOW_PROFANITIES = False
STATICFILES_DIRS =
ECO_SERVICE_URL = 'http://localhost:13000'
PREPEND_WWW = False
SECURE_PROXY_SSL_HEADER = None
PASSWORD_RESET_TIMEOUT_DAYS = u'********************'
SESSION_COOKIE_HTTPONLY = True
SYSTEM_USER_ID = -1
DEBUG_PROPAGATE_EXCEPTIONS = False
EMAIL_FILE_PATH = '/usr/local/otm/emails'
MONTH_DAY_FORMAT = 'F j'
LOGIN_URL = '/accounts/login/'
SESSION_EXPIRE_AT_BROWSER_CLOSE = False
SCSS_ENTRY = 'main'
USE_OBJECT_CACHES = True
TIME_FORMAT = 'P'
EXTRA_MIDDLEWARE_CLASSES =
AUTH_USER_MODEL = 'treemap.User'
DATE_INPUT_FORMATS =
AUTHENTICATION_BACKENDS = 'django.contrib.auth.backends.ModelBackend'
EMAIL_HOST_PASSWORD = u'********************'
EXTRA_DISPLAY_DEFAULTS = {}
OTM_VERSION = 'dev'
SESSION_FILE_PATH = None
CACHE_MIDDLEWARE_ALIAS = 'default'
SESSION_SAVE_EVERY_REQUEST = False
NUMBER_GROUPING = 0
SESSION_ENGINE = 'django.contrib.sessions.backends.db'
CSRF_FAILURE_VIEW = 'django.views.csrf.csrf_failure'
LOCALE_PATHS =
LOGIN_REDIRECT_URL = '/accounts/profile/'
EXTRA_UI_TESTS =
PROJECT_ROOT = '/usr/local/otm/app/opentreemap'
DECIMAL_SEPARATOR = '.'
IGNORABLE_404_URLS =
CSRF_COOKIE_PATH = '/'
TEMPLATE_STRING_IF_INVALID = ''
LOGOUT_URL = '/accounts/logout/'
EMAIL_USE_TLS = False
EXTRA_MANAGED_APPS =
FIXTURE_DIRS =
EMAIL_HOST = 'localhost'
UITEST_CREATE_INSTANCE_FUNCTION = 'treemap.tests.make_instance'
DATE_FORMAT = 'N j, Y'
MEDIA_ROOT = '/usr/local/otm/media'
STORAGE_UNITS = {}
DEFAULT_EXCEPTION_REPORTER_FILTER = 'django.views.debug.SafeExceptionReporterFilter'
ADMINS =
FORMAT_MODULE_PATH = None
DEFAULT_FROM_EMAIL = 'webmaster@localhost'
MEDIA_URL = '/media/'
DATETIME_FORMAT = 'N j, Y, P'
TEMPLATE_DIRS =
SITE_ID = 1
DISALLOWED_USER_AGENTS =
ALLOWED_INCLUDE_ROOTS =
UITEST_SETUP_FUNCTION = None
UNMANAGED_APPS =
LOGGING = {}
I18N_APPS = 'treemap'
SHORT_DATE_FORMAT = 'm/d/Y'
TEST_RUNNER = 'treemap.tests.OTM2TestRunner'
CACHE_MIDDLEWARE_KEY_PREFIX = u'********************'
TIME_ZONE = 'America/Chicago'
FILE_UPLOAD_MAX_MEMORY_SIZE = 2621440
EMAIL_BACKEND = 'django.core.mail.backends.filebased.EmailBackend'
DEFAULT_TABLESPACE = ''
OMGEO_SETTINGS = [['omgeo.services.EsriWGS', {}]]
EXTRA_URLS =
SESSION_COOKIE_AGE = 1209600
SETTINGS_MODULE = 'opentreemap.settings'
USE_ETAGS = False
SITE_ROOT = '/'
LANGUAGES =
SCSS_ROOT = '/usr/local/otm/app/opentreemap/treemap/css/sass'
DEFAULT_INDEX_TABLESPACE = ''
INTERNAL_IPS = ['127.0.0.1']
STATIC_URL = '/static/'
EMAIL_PORT = 25
USE_TZ = True
SHORT_DATETIME_FORMAT = 'm/d/Y P'
CELERY_RESULT_BACKEND = 'redis://localhost:6379/'
PASSWORD_HASHERS = u'********************'
ABSOLUTE_URL_OVERRIDES = {}
IE_VERSION_UNSUPPORTED_REDIRECT_PATH = '/unsupported'
MANAGED_APPS =
CACHE_MIDDLEWARE_SECONDS = 600
CSRF_COOKIE_HTTPONLY = False
DATETIME_INPUT_FORMATS =
EMAIL_HOST_USER = ''
PROFANITIES_LIST = u'********************'

You're seeing this error because you have DEBUG = True in your
Django settings file. Change that to False, and Django will
display a standard 500 page.