Move ThirdPartyEntityKind into api.constants so the expectation becomes that...

Move ThirdPartyEntityKind into api.constants so the expectation becomes that the value is significant

synapse/api/constants.py

@@ -85,3 +85,8 @@ class RoomCreationPreset(object):
     PRIVATE_CHAT = "private_chat"
     PUBLIC_CHAT = "public_chat"
     TRUSTED_PRIVATE_CHAT = "trusted_private_chat"
+
+
+class ThirdPartyEntityKind(object):
+    USER = "user"
+    LOCATION = "location"

synapse/appservice/api.py

@@ -14,11 +14,11 @@
 # limitations under the License.
 from twisted.internet import defer
 
+from synapse.api.constants import ThirdPartyEntityKind
 from synapse.api.errors import CodeMessageException
 from synapse.http.client import SimpleHttpClient
 from synapse.events.utils import serialize_event
 from synapse.util.caches.response_cache import ResponseCache
-from synapse.types import ThirdPartyEntityKind
 
 import logging
 import urllib

synapse/rest/client/v2_alpha/thirdparty.py

@@ -18,8 +18,8 @@ import logging
 
 from twisted.internet import defer
 
+from synapse.api.constants import ThirdPartyEntityKind
 from synapse.http.servlet import RestServlet
-from synapse.types import ThirdPartyEntityKind
 from ._base import client_v2_patterns
 
 logger = logging.getLogger(__name__)

synapse/types.py

@@ -269,10 +269,3 @@ class RoomStreamToken(namedtuple("_StreamToken", "topological stream")):
             return "t%d-%d" % (self.topological, self.stream)
         else:
             return "s%d" % (self.stream,)
-
-
-# Some arbitrary constants used for internal API enumerations. Don't rely on
-# exact values; always pass or compare symbolically
-class ThirdPartyEntityKind(object):
-    USER = 'user'
-    LOCATION = 'location'