From 24e3665db6066240d537541c6f281b6411778767 Mon Sep 17 00:00:00 2001
From: John Bogaardt <jbogaardt@gmail.com>
Date: Tue, 3 Dec 2019 18:15:58 -0700
Subject: [PATCH] patch to grain method

---
 chainladder/__init__.py      | 2 +-
 chainladder/core/triangle.py | 4 ++--
 setup.py                     | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/chainladder/__init__.py b/chainladder/__init__.py
index 118bac2e..7468fc20 100644
--- a/chainladder/__init__.py
+++ b/chainladder/__init__.py
@@ -5,4 +5,4 @@
 from chainladder.methods import * # noqa (API Import)
 from chainladder.workflow import * # noqa (API Import)
 
-__version__ = '0.4.3'
+__version__ = '0.4.4'
diff --git a/chainladder/core/triangle.py b/chainladder/core/triangle.py
index d4abf16d..b9cc4fd7 100644
--- a/chainladder/core/triangle.py
+++ b/chainladder/core/triangle.py
@@ -398,8 +398,8 @@ def grain(self, grain='', inplace=False):
             obj.values = new_tri
             obj.odims = np.unique(o)
             obj.valuation = obj._valuation_triangle()
-        if type(self.ddims) == np.ndarray:
-            obj = obj.val_to_dev(inplace=True)
+            del obj._nan_triangle_
+        obj = obj.val_to_dev(inplace=True)
         # Now do development
         dev_grain_dict = {'M': {'Y': 12, 'Q': 3, 'M': 1},
                           'Q': {'Y': 4, 'Q': 1},
diff --git a/setup.py b/setup.py
index 7ee81a53..c257941e 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 descr = "Chainladder Package - P&C Loss Reserving package "
 name = 'chainladder'
 url = 'https://github.com/jbogaardt/chainladder-python'
-version='0.4.3' # Put this in __init__.py
+version='0.4.4' # Put this in __init__.py
 
 data_path = ''
 setup(