Protect against null response payloads (#253)

* Protect against null response payloads

* Simplify

Author: bachya

simplipy/api.py

@@ -191,12 +191,12 @@ async def _request(
 
             LOGGER.debug("Data received from /%s: %s", endpoint, data)
 
-            if data.get("error") == "mfa_required":
+            if data and data.get("error") == "mfa_required":
                 # If we get an "error" related to MFA, the response body data is
                 # necessary for continuing on, so we swallow the error and return
                 # that data:
                 return data
-            if data.get("type") == "NoRemoteManagement":
+            if data and data.get("type") == "NoRemoteManagement":
                 raise EndpointUnavailableError(
                     f"Endpoint unavailable in plan: {endpoint}"
                 ) from None

simplipy/lock.py

@@ -15,9 +15,6 @@ class LockStates(Enum):
     unknown = 99
 
 
-STATE_MAP = {1: LockStates.locked, 2: LockStates.unlocked}
-
-
 class Lock(EntityV3):
     """A lock that works with V3 systems.