From 54774515c283f535699951eeb24782844391b273 Mon Sep 17 00:00:00 2001
From: Pandu Rao <pandu.rao@socketek.com>
Date: Wed, 5 Oct 2016 13:35:00 -0700
Subject: [PATCH 1/2] fix bug in flip_endian function

---
 pybitcoin/transactions/utils.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pybitcoin/transactions/utils.py b/pybitcoin/transactions/utils.py
index 1164355..7debc41 100644
--- a/pybitcoin/transactions/utils.py
+++ b/pybitcoin/transactions/utils.py
@@ -18,7 +18,7 @@ def count_bytes(hex_s):
     return len(hex_s)/2
 
 def flip_endian(s):
-    if is_hex:
+    if is_hex(s):
         return hexlify(unhexlify(s)[::-1])
     return s[::-1]
 
@@ -38,4 +38,4 @@ def variable_length_int(i):
     elif i < (2**64):
         return chr(255) + struct.pack('<Q', i) # pack into 8 bites
     else:
-        raise Exception('Integer cannot exceed 8 bytes in length.')
\ No newline at end of file
+        raise Exception('Integer cannot exceed 8 bytes in length.')

From d29e4b9eafe2d7fe79cee8e2a74064128f865951 Mon Sep 17 00:00:00 2001
From: Pandu Rao <pandu.rao@socketek.com>
Date: Wed, 5 Oct 2016 13:36:08 -0700
Subject: [PATCH 2/2] fix bug in MerkleTree

---
 pybitcoin/merkle.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pybitcoin/merkle.py b/pybitcoin/merkle.py
index c558f38..22aae0b 100644
--- a/pybitcoin/merkle.py
+++ b/pybitcoin/merkle.py
@@ -60,7 +60,7 @@ def get(self, row_index, column_index):
         # check to make sure there are enough rows
         if row_index + 1 > len(self.rows):
             raise ValueError("There aren't that many rows.")
-        row = self.rows(row_index)
+        row = self.rows[row_index]
         # check to make sure there are enough items in the row
         if column_index + 1 > len(row):
             raise ValueError("There aren't that many items in that row.")