diff --git a/py36.patch b/py36.patch
new file mode 100644
index 0000000..4da9988
--- /dev/null
+++ b/py36.patch
@@ -0,0 +1,59 @@
+diff -ur Pmw/Pmw_2_0_1.orig/bin/bundlepmw.py Pmw/Pmw_2_0_1/bin/bundlepmw.py
+--- Pmw/Pmw_2_0_1.orig/bin/bundlepmw.py	2012-08-04 00:56:51.000000000 +0000
++++ Pmw/Pmw_2_0_1/bin/bundlepmw.py	2017-05-07 19:57:25.954264305 +0000
+@@ -11,7 +11,6 @@
+ 
+ import os
+ import re
+-import string
+ import sys
+ 
+ # The order of these files is significant.  Files which reference
+@@ -66,7 +65,7 @@
+ dir = expandLinks(dir)
+ dir = os.path.basename(dir)
+ 
+-version = string.replace(dir[4:], '_', '.')
++version = dir[4:].replace('_', '.')
+ 
+ # Code to import the Color module.
+ colorCode = """
+@@ -147,7 +146,8 @@
+ 
+ # Specially handle PmwBase.py file:
+ text = mungeFile('Base')
+-text = re.sub('import PmwLogicalFont', '', text)
++text = re.sub('from . import PmwBlt', 'PmwBlt = Blt', text)
++text = re.sub('from . import PmwLogicalFont', '', text)
+ text = re.sub('PmwLogicalFont._font_initialise', '_font_initialise', text)
+ outfile.write(text)
+ if not needBlt:
+diff -ur Pmw/Pmw_2_0_1.orig/lib/PmwColor.py Pmw/Pmw_2_0_1/lib/PmwColor.py
+--- Pmw/Pmw_2_0_1.orig/lib/PmwColor.py	2013-02-26 13:01:23.000000000 +0000
++++ Pmw/Pmw_2_0_1/lib/PmwColor.py	2017-05-07 19:59:51.116891121 +0000
+@@ -10,7 +10,7 @@
+ _TWO_PI = _PI * 2
+ _THIRD_PI = _PI / 3
+ _SIXTH_PI = _PI / 6
+-_MAX_RGB = float(256 * 256 - 1) # max size of rgb values returned from Tk
++_MAX_RGB = 256 * 256 - 1 # max size of rgb values returned from Tk
+ 
+ def setscheme(root, background=None, **kw):
+     root = root._root()
+@@ -346,13 +346,13 @@
+     lightRGB = []
+     darkRGB = []
+     for value in name2rgb(root, colorName, 1):
+-        value40pc = (14 * value) / 10
++        value40pc = (14 * value) // 10
+         if value40pc > _MAX_RGB:
+             value40pc = _MAX_RGB
+-        valueHalfWhite = (_MAX_RGB + value) / 2;
++        valueHalfWhite = (_MAX_RGB + value) // 2;
+         lightRGB.append(max(value40pc, valueHalfWhite))
+ 
+-        darkValue = (60 * value) / 100
++        darkValue = (60 * value) // 100
+         darkRGB.append(darkValue)
+ 
+     return (
diff --git a/python-pmw.changes b/python-pmw.changes
index 0e43d44..e240075 100644
--- a/python-pmw.changes
+++ b/python-pmw.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun May  7 20:06:55 UTC 2017 - dhall@wustl.edu
+
+- add patch for python3.6
+  * https://sourceforge.net/p/pmw/patches/7/
+
 -------------------------------------------------------------------
 Sat May  6 23:47:52 UTC 2017 - dhall@wustl.edu
 
diff --git a/python-pmw.spec b/python-pmw.spec
index 9130c35..60b15a8 100644
--- a/python-pmw.spec
+++ b/python-pmw.spec
@@ -25,6 +25,8 @@ Url:            http://pmw.sourceforge.net/
 Summary:        High-level compound widgets in Python using the Tkinter module
 License:        MIT
 Group:          Development/Languages/Python
+# py36.patch Patch to work with python 3.6 https://sourceforge.net/p/pmw/patches/7/
+Patch:          py36.patch
 Source:         https://pypi.python.org/packages/e7/20/8d0c4ba96a5fe62e1bcf2b8a212ccfecd67ad951e8f3e89cf147d63952aa/Pmw-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  %{python_module base}
@@ -43,6 +45,7 @@ dialog windows.
 
 %prep
 %setup -q -n Pmw-%{version}
+%patch
 sed -i '1d' Pmw/Pmw_1_3_3/{demos/All,bin/bundlepmw,tests/All,tests/ManualTests}.py # Fix non-executable scripts
 sed -i '1d' Pmw/Pmw_2_0_1/{demos/All,bin/bundlepmw,tests/All,tests/ManualTests}.py # Fix non-executable scripts