Redirect Python manifest to less ambiguous filename
diff --git a/setup.py b/setup.py
index e0b0bf7..646c013 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,10 @@
from distutils import core as _core
from distutils import extension as _extension
import setuptools
+from setuptools.command import egg_info
+
+# Redirect the manifest template from MANIFEST.in to PYTHON-MANIFEST.in.
+egg_info.manifest_maker.template = 'PYTHON-MANIFEST.in'
PYTHON_STEM = './src/python/grpcio/'
CORE_INCLUDE = ('./include', './',)