From 158988d1846a98b438125533f98a5f9617d88e53 Mon Sep 17 00:00:00 2001
From: Eddie Hebert <ehebert@quantopian.com>
Date: Tue, 2 Jul 2013 15:54:12 -0400
Subject: [PATCH] MAINT: Use explicit syntax for relative imports.

Python 3 requires using dot syntax for relative imports,
otherwise the import is treated as an absolute import, i.e.
an import of a module from outside of the project.

By using dot syntax now, imports should be compatible with both
Python 2.7 and Python 3.
---
 zipline/__init__.py            |  8 ++++----
 zipline/data/__init__.py       |  2 +-
 zipline/data/benchmarks.py     |  2 +-
 zipline/data/loader.py         |  2 +-
 zipline/data/treasuries.py     |  2 +-
 zipline/protocol.py            |  2 +-
 zipline/transforms/__init__.py | 10 +++++-----
 7 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/zipline/__init__.py b/zipline/__init__.py
index 2e01cd18..68737f74 100644
--- a/zipline/__init__.py
+++ b/zipline/__init__.py
@@ -6,10 +6,10 @@ Zipline
 # it is a place to expose the public interfaces.
 
 
-import data
-import finance
-import gens
-import utils
+from . import data
+from . import finance
+from . import gens
+from . import utils
 
 from algorithm import TradingAlgorithm
 
diff --git a/zipline/data/__init__.py b/zipline/data/__init__.py
index 86eafd7d..c7dbfbe1 100644
--- a/zipline/data/__init__.py
+++ b/zipline/data/__init__.py
@@ -1,3 +1,3 @@
-import loader
+from . import loader
 
 __all__ = ['loader']
diff --git a/zipline/data/benchmarks.py b/zipline/data/benchmarks.py
index f1c645a6..442d4b94 100644
--- a/zipline/data/benchmarks.py
+++ b/zipline/data/benchmarks.py
@@ -22,7 +22,7 @@ from functools import partial
 
 import requests
 
-from loader_utils import (
+from . loader_utils import (
     date_conversion,
     source_to_records,
     Mapping
diff --git a/zipline/data/loader.py b/zipline/data/loader.py
index 12a5521a..25eccfde 100644
--- a/zipline/data/loader.py
+++ b/zipline/data/loader.py
@@ -22,7 +22,7 @@ from datetime import timedelta
 
 import logbook
 
-from treasuries import get_treasury_data
+from . treasuries import get_treasury_data
 import benchmarks
 from benchmarks import get_benchmark_returns
 
diff --git a/zipline/data/treasuries.py b/zipline/data/treasuries.py
index c0897cfd..2f769696 100644
--- a/zipline/data/treasuries.py
+++ b/zipline/data/treasuries.py
@@ -19,7 +19,7 @@ import requests
 from collections import OrderedDict
 import xml.etree.ElementTree as ET
 
-from loader_utils import (
+from . loader_utils import (
     guarded_conversion,
     safe_int,
     Mapping,
diff --git a/zipline/protocol.py b/zipline/protocol.py
index 818fa55a..0376b49a 100644
--- a/zipline/protocol.py
+++ b/zipline/protocol.py
@@ -15,7 +15,7 @@
 from collections import defaultdict
 import datetime
 
-from utils.protocol_utils import Enum
+from . utils.protocol_utils import Enum
 
 # Datasource type should completely determine the other fields of a
 # message with its type.
diff --git a/zipline/transforms/__init__.py b/zipline/transforms/__init__.py
index 4e7d56e9..dc25a866 100644
--- a/zipline/transforms/__init__.py
+++ b/zipline/transforms/__init__.py
@@ -13,11 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from mavg import MovingAverage
-from stddev import MovingStandardDev
-from vwap import MovingVWAP
-from returns import Returns
-from utils import BatchTransform, batch_transform
+from . mavg import MovingAverage
+from . stddev import MovingStandardDev
+from . vwap import MovingVWAP
+from . returns import Returns
+from . utils import BatchTransform, batch_transform
 
 __all__ = [
     'MovingAverage',