From e6361ae48bca7344d1d0d5692b2801f3b4715034 Mon Sep 17 00:00:00 2001
From: Scott Sanderson <ssanderson@quantopian.com>
Date: Thu, 17 Mar 2016 15:54:51 -0400
Subject: [PATCH] MAINT: Re-export CustomFilter and CustomClassifier.

---
 zipline/pipeline/__init__.py         | 6 ++++--
 zipline/pipeline/filters/__init__.py | 9 ++++++++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/zipline/pipeline/__init__.py b/zipline/pipeline/__init__.py
index 89f0a33b..de6d142f 100644
--- a/zipline/pipeline/__init__.py
+++ b/zipline/pipeline/__init__.py
@@ -1,10 +1,10 @@
 from __future__ import print_function
 from zipline.assets import AssetFinder
 
-from .classifiers import Classifier
+from .classifiers import Classifier, CustomClassifier
 from .engine import SimplePipelineEngine
 from .factors import Factor, CustomFactor
-from .filters import Filter
+from .filters import Filter, CustomFilter
 from .term import Term
 from .graph import TermGraph
 from .pipeline import Pipeline
@@ -53,6 +53,8 @@ def engine_from_files(daily_bar_path,
 __all__ = (
     'Classifier',
     'CustomFactor',
+    'CustomFilter',
+    'CustomClassifier',
     'engine_from_files',
     'Factor',
     'Filter',
diff --git a/zipline/pipeline/filters/__init__.py b/zipline/pipeline/filters/__init__.py
index 2f18840c..fc88247a 100644
--- a/zipline/pipeline/filters/__init__.py
+++ b/zipline/pipeline/filters/__init__.py
@@ -1,7 +1,14 @@
-from .filter import Filter, NumExprFilter, NullFilter, PercentileFilter
+from .filter import (
+    CustomFilter,
+    Filter,
+    NumExprFilter,
+    NullFilter,
+    PercentileFilter,
+)
 from .latest import Latest
 
 __all__ = [
+    'CustomFilter',
     'Filter',
     'Latest',
     'NumExprFilter',