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

8acd58927a 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 8acd58927a

Tree-SHA512: 936f275f29a700d630bb479b5283e47b66f2df76d8b8c053f594e6aedf783cc98a29c924c3a46613f112dfc884acb50f21a0b18f96d939e887b12b921ef2e10f

test/functional/test_framework/util.py

@@ -244,7 +244,7 @@ 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
@@ -252,6 +252,7 @@ def get_rpc_proxy(url, node_number, timeout=None, coveragedir=None):
 
     Kwargs:
         timeout (int): HTTP timeout in seconds
+        coveragedir (str): Directory
 
     Returns:
         AuthServiceProxy. convenience object for making RPC calls.