diff --git a/python/CHANGELOG b/python/CHANGELOG
index 3a5a329..57db605 100644
--- a/python/CHANGELOG
+++ b/python/CHANGELOG
@@ -1,3 +1,7 @@
+* 0.7.4
+	- Add missing unittest module to python package
+* 0.7.3
+	- Add ERC5679Ext20 fills
 * 0.7.2
 	- Update python classifiers
 	- Upgrade to beta
diff --git a/python/eth_erc20/unittest/__init__.py b/python/eth_erc20/unittest/__init__.py
new file mode 100644
index 0000000..9b5ed21
--- /dev/null
+++ b/python/eth_erc20/unittest/__init__.py
@@ -0,0 +1 @@
+from .base import *
diff --git a/python/giftable_erc20_token/data/.chainlib b/python/giftable_erc20_token/data/.chainlib
new file mode 100644
index 0000000..e69de29
diff --git a/python/giftable_erc20_token/factory.py b/python/giftable_erc20_token/factory.py
index 8f1014d..8bb9174 100644
--- a/python/giftable_erc20_token/factory.py
+++ b/python/giftable_erc20_token/factory.py
@@ -45,7 +45,9 @@ class GiftableToken(ERC20):
         enc.string(symbol)
         enc.uint256(decimals)
         enc.uint256(expire)
-        code += enc.get()
+        args = enc.get()
+        code += args
+        logg.debug('constructor code: ' + args)
         return code
 
 
diff --git a/python/run_tests.sh b/python/run_tests.sh
index b3151b7..926a9eb 100755
--- a/python/run_tests.sh
+++ b/python/run_tests.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 export PYTHONPATH=${PYTHONPATH}:.
+>&2 echo "using pythonpath $PYTHONPATH"
 
 set -e
 set -x
diff --git a/python/setup.cfg b/python/setup.cfg
index 6a7a716..7cb7df3 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = eth-erc20
-version = 0.7.3
+version = 0.7.4
 description = ERC20 interface and simple contract with deployment script that lets any address mint and gift itself tokens.
 author = Louis Holbrook
 author_email = dev@holbrook.no
@@ -36,6 +36,7 @@ packages =
 	eth_erc20
 	eth_erc20.data
 	eth_erc20.runnable
+	eth_erc20.unittest
 	static_token.data
 
 [options.package_data]
diff --git a/solidity/GiftableToken.sol b/solidity/GiftableToken.sol
index bee4844..fb81557 100644
--- a/solidity/GiftableToken.sol
+++ b/solidity/GiftableToken.sol
@@ -65,8 +65,9 @@ contract GiftableToken {
 		return totalMinted - totalBurned;
 	}
 
-	// Implements Minter
 	mapping(address => bool) writers;
+
+	// Implements Minter
 	function mintTo(address _to, uint256 _value) public returns (bool) {
 		require(writers[msg.sender] || msg.sender == owner);