Revert apache#36949

Author: NoahStapp

sdks/python/apache_beam/io/mongodbio.py

@@ -97,6 +97,7 @@
   from pymongo import DESCENDING
   from pymongo import MongoClient
   from pymongo import ReplaceOne
+  from pymongo.driver_info import DriverInfo
 except ImportError:
   objectid = None
   json_util = None
@@ -105,6 +106,7 @@
   DESCENDING = -1
   MongoClient = None
   ReplaceOne = None
+  DriverInfo = None
   _LOGGER.warning("Could not find a compatible bson package.")
 
 __all__ = ["ReadFromMongoDB", "WriteToMongoDB"]
@@ -263,6 +265,12 @@ def __init__(
     self.spec = extra_client_params
     self.bucket_auto = bucket_auto
 
+    if "driver" not in self.spec:
+      self.spec["driver"] = DriverInfo(
+          name="Apache Beam",
+          version=beam.__version__,
+      )
+
   def estimate_size(self):
     with MongoClient(self.uri, **self.spec) as client:
       return client[self.db].command("collstats", self.coll).get("size")