zero323 commented on a change in pull request #34439:
URL: https://github.com/apache/spark/pull/34439#discussion_r753859161
##########
File path: python/pyspark/broadcast.py
##########
@@ -21,28 +21,47 @@
from tempfile import NamedTemporaryFile
import threading
import pickle
+from typing import (
+ cast,
+ Any,
+ Callable,
+ Dict,
+ Generic,
+ IO,
+ Iterator,
+ Optional,
+ Tuple,
+ TypeVar,
+ TYPE_CHECKING,
+ Union,
+)
from pyspark.java_gateway import local_connect_and_auth
from pyspark.serializers import ChunkedStream, pickle_protocol
from pyspark.util import print_exec
+if TYPE_CHECKING:
+ from pyspark import SparkContext
+
__all__ = ["Broadcast"]
+T = TypeVar("T")
+
# Holds broadcasted data received from Java, keyed by its id.
-_broadcastRegistry = {}
+_broadcastRegistry: Dict[int, "Broadcast"] = {}
-def _from_id(bid):
+def _from_id(bid: int) -> "Broadcast":
Review comment:
`-> "Broadcast[Any]"`?
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