From c69a161976c38297db69a40f74e2d3281f702eec Mon Sep 17 00:00:00 2001
From: Roger Hunwicks <roger@tonic-solutions.com>
Date: Sun, 1 Oct 2017 15:07:12 +0200
Subject: [PATCH] Use ChoiceType for PandasDatasource.format - see #3302

---
 contrib/connectors/pandas/models.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/contrib/connectors/pandas/models.py b/contrib/connectors/pandas/models.py
index d87867e7f33f2..b89eff0b04349 100644
--- a/contrib/connectors/pandas/models.py
+++ b/contrib/connectors/pandas/models.py
@@ -266,7 +266,12 @@ def data(self):
 
     @property
     def pandas_read_method(self):
-        return getattr(pd, 'read_{obj.format.code}'.format(obj=self))
+        try:
+            # The format is a Choice object
+            format = self.format.code
+        except AttributeError:
+            format = self.format
+        return getattr(pd, 'read_{format}'.format(format=format))
 
     @property
     def pandas_read_parameters(self):