From 827a6c60147cf4decdd38a7192b302ba51f8e6ec Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <tgoodlet@gmail.com>
Date: Mon, 10 Sep 2018 21:56:40 -0400
Subject: [PATCH] Make `rpc_modules` a positional arg to `tractor.run_daemon()`

---
 tests/test_multi_program.py |  2 +-
 tractor/__init__.py         | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/tests/test_multi_program.py b/tests/test_multi_program.py
index dc3d7cf..b13b80b 100644
--- a/tests/test_multi_program.py
+++ b/tests/test_multi_program.py
@@ -24,7 +24,7 @@ def sig_prog(proc, sig):
 def daemon(loglevel, testdir, arb_addr):
     cmdargs = [
         sys.executable, '-c',
-        "import tractor; tractor.run_daemon(arbiter_addr={}, loglevel={})"
+        "import tractor; tractor.run_daemon((), arbiter_addr={}, loglevel={})"
         .format(
             arb_addr,
             "'{}'".format(loglevel) if loglevel else None)
diff --git a/tractor/__init__.py b/tractor/__init__.py
index 9742b72..f6100f7 100644
--- a/tractor/__init__.py
+++ b/tractor/__init__.py
@@ -97,12 +97,14 @@ def run(
 
 
 def run_daemon(
-    rpc_modules: Optional[Tuple[str]] = None,
+    rpc_modules: Tuple[str],
     **kwargs
 ) -> None:
-    for path in rpc_modules or ():
-        importlib.import_module(path)
-
+    """Spawn a single daemon-actor which will repond to RPC.
+    """
     kwargs['rpc_module_paths'] = rpc_modules
 
+    for path in rpc_modules:
+        importlib.import_module(path)
+
     return run(partial(trio.sleep, float('inf')), **kwargs)