Merge #17030: test: Fix Python Docstring to include all Args.

8acd589 Fix Python Docstring to include all Args. (John Bampton)

Pull request description:

  Found a Python function that had incorrect and missing arguments in its Docstring.

ACKs for top commit:
  laanwj:
    ACK 8acd589

Tree-SHA512: 936f275f29a700d630bb479b5283e47b66f2df76d8b8c053f594e6aedf783cc98a29c924c3a46613f112dfc884acb50f21a0b18f96d939e887b12b921ef2e10f

test/functional/test_framework/util.py

@@ -244,14 +244,15 @@ class PortSeed:
     # Must be initialized with a unique integer for each process
     n = None
 
-def get_rpc_proxy(url, node_number, timeout=None, coveragedir=None):
+def get_rpc_proxy(url, node_number, *, timeout=None, coveragedir=None):
     """
     Args:
         url (str): URL of the RPC server to call
         node_number (int): the node number (or id) that this calls to
 
     Kwargs:
         timeout (int): HTTP timeout in seconds
+        coveragedir (str): Directory
 
     Returns:
         AuthServiceProxy. convenience object for making RPC calls.