Removed duplicate since decorator

python/pyspark/__init__.py

@@ -67,26 +67,6 @@ def deco(f):
 # for back compatibility
 from pyspark.sql import SQLContext, HiveContext, SchemaRDD, Row
 
-
-def since(version):
-    """
-    A decorator that annotates a function to append the version of Spark the function was added.
-    """
-    import re
-    indent_p = re.compile(r'\n( +)')
-
-    def deco(f):
-        if f.__doc__ is None:
-            f.__doc__ = ".. versionadded:: {}".format(version)
-            return f
-        else:
-            indents = indent_p.findall(f.__doc__)
-            indent = ' ' * (min(len(m) for m in indents) if indents else 0)
-            f.__doc__ = "{}\n\n{}.. versionadded:: {}".format(f.__doc__.rstrip(), indent, version)
-            return f
-    return deco
-
-
 __all__ = [
     "SparkConf", "SparkContext", "SparkFiles", "RDD", "StorageLevel", "Broadcast",
     "Accumulator", "AccumulatorParam", "MarshalSerializer", "PickleSerializer",