3 files changed, 7 insertions, 4 deletions
diff --git a/python/pyspark/mllib/regression.py b/python/pyspark/mllib/regression.py
index cbdbc09858..8fe8c6db2a 100644
--- a/python/pyspark/mllib/regression.py
+++ b/python/pyspark/mllib/regression.py
@@ -66,6 +66,9 @@ class LinearModel(object):
     def intercept(self):
         return self._intercept
 
+    def __repr__(self):
+        return "(weights=%s, intercept=%s)" % (self._coeff, self._intercept)
+
 
 class LinearRegressionModelBase(LinearModel):
 
diff --git a/python/pyspark/serializers.py b/python/pyspark/serializers.py
index 2672da36c1..099fa54cf2 100644
--- a/python/pyspark/serializers.py
+++ b/python/pyspark/serializers.py
@@ -211,7 +211,7 @@ class BatchedSerializer(Serializer):
         return (isinstance(other, BatchedSerializer) and
                 other.serializer == self.serializer)
 
-    def __str__(self):
+    def __repr__(self):
         return "BatchedSerializer<%s>" % str(self.serializer)
 
 
@@ -279,7 +279,7 @@ class CartesianDeserializer(FramedSerializer):
         return (isinstance(other, CartesianDeserializer) and
                 self.key_ser == other.key_ser and self.val_ser == other.val_ser)
 
-    def __str__(self):
+    def __repr__(self):
         return "CartesianDeserializer<%s, %s>" % \
                (str(self.key_ser), str(self.val_ser))
 
@@ -306,7 +306,7 @@ class PairDeserializer(CartesianDeserializer):
         return (isinstance(other, PairDeserializer) and
                 self.key_ser == other.key_ser and self.val_ser == other.val_ser)
 
-    def __str__(self):
+    def __repr__(self):
         return "PairDeserializer<%s, %s>" % (str(self.key_ser), str(self.val_ser))
 
 
diff --git a/python/pyspark/sql.py b/python/pyspark/sql.py
index 974b5e287b..114644ab8b 100644
--- a/python/pyspark/sql.py
+++ b/python/pyspark/sql.py
@@ -201,7 +201,7 @@ class ArrayType(DataType):
         self.elementType = elementType
         self.containsNull = containsNull
 
-    def __str__(self):
+    def __repr__(self):
         return "ArrayType(%s,%s)" % (self.elementType,
                                      str(self.containsNull).lower())