Replace rules_pip with rules_python; use bazel built upstream grpc
instead of Python packages

As usual with Python sadness, the @pydeps wheels are built on the bazel
host, so stuffing them inside a container_image (or py_image) will cause
new and unexpected kinds of misery.

Change-Id: Id4e4d53741cf2da367f01aa15c21c133c5cf0dba
diff --git a/personal/q3k/djtest/uwsgi-start.py b/personal/q3k/djtest/uwsgi-start.py
index 0edcdaf..eb22d55 100644
--- a/personal/q3k/djtest/uwsgi-start.py
+++ b/personal/q3k/djtest/uwsgi-start.py
@@ -9,7 +9,7 @@
 from bazel_tools.tools.python.runfiles import runfiles
 r = runfiles.Create()
 
-uwsgi = r.Rlocation("pip__uWSGI_2_0_18_cp36_cp36m_linux_x86_64/scripts/uwsgi")
+uwsgi = r.Rlocation("pydeps_pypi__uWSGI_2_0_18/uWSGI-2.0.18.data/scripts/uwsgi")
 print(uwsgi)
 settings = r.Rlocation("hscloud/personal/q3k/djtest/djtest/settings.py")
 print(settings)