for release

Author: martindurant

setup.py

@@ -9,15 +9,15 @@
 
 
 setup(name='streamz',
-      version='0.6.3',
+      version='0.6.4',
       description='Streams',
       url='http://github.com/python-streamz/streamz/',
       maintainer='Matthew Rocklin',
       maintainer_email='mrocklin@gmail.com',
       license='BSD',
       keywords='streams',
       packages=packages + tests,
-      python_requires='>=3.6',
+      python_requires='>=3.7',
       long_description=(open('README.rst').read() if exists('README.rst')
                         else ''),
       install_requires=list(open('requirements.txt').read().strip().split('\n')),

streamz/__init__.py

@@ -13,4 +13,4 @@
 except ImportError:
     pass
 
-__version__ = '0.6.3'
+__version__ = '0.6.4'