The rest of the Python side of those bindings.

python/pyspark/__init__.py

@@ -42,6 +42,7 @@ from pyspark.context import SparkContext
 from pyspark.rdd import RDD
 from pyspark.files import SparkFiles
 from pyspark.storagelevel import StorageLevel
+from pyspark.mllib import train_linear_regression_model
 
 
-__all__ = ["SparkContext", "RDD", "SparkFiles", "StorageLevel"]
+__all__ = ["SparkContext", "RDD", "SparkFiles", "StorageLevel", "train_linear_regression_model"]

python/pyspark/java_gateway.py

@@ -62,5 +62,6 @@ def launch_gateway():
     # Import the classes used by PySpark
     java_import(gateway.jvm, "org.apache.spark.api.java.*")
     java_import(gateway.jvm, "org.apache.spark.api.python.*")
+    java_import(gateway.jvm, "org.apache.spark.mllib.api.*")
     java_import(gateway.jvm, "scala.Tuple2")
     return gateway

python/pyspark/serializers.py

@@ -308,4 +308,4 @@ def write_int(value, stream):
 
 def write_with_length(obj, stream):
     write_int(len(obj), stream)
-    stream.write(obj)
+    stream.write(obj)
\ No newline at end of file