Remove default for anext

Author: NoahStapp

pymongo/asynchronous/helpers.py

@@ -73,14 +73,9 @@ async def inner(*args: Any, **kwargs: Any) -> Any:
     aiter = builtins.aiter
 else:
 
-    async def anext(cls: Any, default: Any) -> Any:
+    async def anext(cls: Any) -> Any:
         """Compatibility function until we drop 3.9 support: https://docs.python.org/3/library/functions.html#anext."""
-        try:
-            return await cls.__anext__()
-        except StopAsyncIteration:
-            if default:
-                return default
-            raise
+        return await cls.__anext__()
 
     def aiter(cls: Any) -> Any:
         """Compatibility function until we drop 3.9 support: https://docs.python.org/3/library/functions.html#anext."""

pymongo/synchronous/helpers.py

@@ -73,14 +73,9 @@ def inner(*args: Any, **kwargs: Any) -> Any:
     iter = builtins.iter
 else:
 
-    def next(cls: Any, default: Any) -> Any:
+    def next(cls: Any) -> Any:
         """Compatibility function until we drop 3.9 support: https://docs.python.org/3/library/functions.html#next."""
-        try:
-            return cls.__next__()
-        except StopIteration:
-            if default:
-                return default
-            raise
+        return cls.__next__()
 
     def iter(cls: Any) -> Any:
         """Compatibility function until we drop 3.9 support: https://docs.python.org/3/library/functions.html#next."""

test/asynchronous/unified_format.py

@@ -179,7 +179,10 @@ def __init__(self, find_cursor, client):
     @classmethod
     async def create(cls, find_cursor, client):
         cursor = cls(find_cursor, client)
-        cursor.first_result = await anext(cursor.find_cursor, None)
+        try:
+            cursor.first_result = await anext(cursor.find_cursor)
+        except StopAsyncIteration:
+            cursor.first_result = None
         return cursor
 
     @property

test/unified_format.py

@@ -179,7 +179,10 @@ def __init__(self, find_cursor, client):
     @classmethod
     def create(cls, find_cursor, client):
         cursor = cls(find_cursor, client)
-        cursor.first_result = next(cursor.find_cursor, None)
+        try:
+            cursor.first_result = next(cursor.find_cursor)
+        except StopIteration:
+            cursor.first_result = None
         return cursor
 
     @property