From eba364d64a2e000faa105d13e7ac07f9f2bc72c8 Mon Sep 17 00:00:00 2001
From: Junxian Wu <rupert@yahoo-inc.com>
Date: Mon, 23 May 2016 17:56:01 -0700
Subject: [PATCH] fixed code style

---
 caravel/models.py | 4 ++--
 caravel/views.py  | 3 ++-
 caravel/viz.py    | 3 ++-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/caravel/models.py b/caravel/models.py
index 69b8aac5e13..b70d5d0155d 100644
--- a/caravel/models.py
+++ b/caravel/models.py
@@ -428,10 +428,10 @@ class Database(Model, AuditMixinNullable):
             if self.sqlalchemy_uri.startswith(db_type):
                 return grains
 
-    def dttm_converter(self, dttm, tf = None):
+    def dttm_converter(self, dttm, tf=None):
+        """Returns a string that the database flavor understands as a date"""
         if tf is None or tf == '':
             tf = '%Y-%m-%d %H:%M:%S.%f'
-        """Returns a string that the database flavor understands as a date"""
         default = "'{}'".format(dttm.strftime(tf))
         iso = dttm.isoformat()
         d = {
diff --git a/caravel/views.py b/caravel/views.py
index aa82aacdec1..325fae53be9 100644
--- a/caravel/views.py
+++ b/caravel/views.py
@@ -290,7 +290,8 @@ class TableModelView(CaravelModelView, DeleteMixin):  # noqa
         'table_name', 'database', 'schema', 'timestamp_format',
         'default_endpoint', 'offset', 'cache_timeout']
     edit_columns = [
-        'table_name', 'is_featured', 'database', 'schema', 'timestamp_format', 'description', 'owner',
+        'table_name', 'is_featured', 'database', 'schema',
+        'timestamp_format', 'description', 'owner',
         'main_dttm_col', 'default_endpoint', 'offset', 'cache_timeout']
     related_views = [TableColumnInlineView, SqlMetricInlineView]
     base_order = ('changed_on', 'desc')
diff --git a/caravel/viz.py b/caravel/viz.py
index 22115d954b8..2825d7f89df 100644
--- a/caravel/viz.py
+++ b/caravel/viz.py
@@ -151,7 +151,8 @@ class BaseViz(object):
             raise Exception("No data, review your incantations!")
         else:
             if 'timestamp' in df.columns:
-                df.timestamp = pd.to_datetime(df.timestamp, utc=False, format=timestamp_format)
+                df.timestamp = pd.to_datetime(df.timestamp,
+                utc=False, format=timestamp_format)
                 if self.datasource.offset:
                     df.timestamp += timedelta(hours=self.datasource.offset)
         df = df.fillna(0)