fix: maybe_single with no matching rows returns None (#289)

Author: tushar-balwani

postgrest/_async/request_builder.py

@@ -127,7 +127,7 @@ async def execute(self) -> Optional[SingleAPIResponse]:
         try:
             r = await super().execute()
         except APIError as e:
-            if e.details and "Results contain 0 rows" in e.details:
+            if e.details and "The result contains 0 rows" in e.details:
                 return None
         if not r:
             raise APIError(

postgrest/_sync/request_builder.py

@@ -127,7 +127,7 @@ def execute(self) -> Optional[SingleAPIResponse]:
         try:
             r = super().execute()
         except APIError as e:
-            if e.details and "Results contain 0 rows" in e.details:
+            if e.details and "The result contains 0 rows" in e.details:
                 return None
         if not r:
             raise APIError(